Home / 748,901.40-1,123,352.10-710,410.20

Finding the Fourth Proportional to 748,901.40, 1,123,352.10 and 710,410.20

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Solution

The fourth proportional to 748,901.40, 1,123,352.10 and 710,410.20 is: 1,065,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,901.40 : 1,123,352.10 = 710,410.20 : x
  2. Step 2: Convert to fraction form
    748,901.40/1,123,352.10 = 710,410.20/x
  3. Step 3: Cross multiply
    748,901.40x = 1,123,352.10 × 710,410.20
  4. Step 4: Simplify right side
    748,901.40x = 798,040,790,031.42
  5. Step 5: Solve for x
    x = 798,040,790,031.42/748,901.40
  6. Step 6: Final answer
    x = 1,065,615.30

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Half scale
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Double scale
Find fourth proportional to 748,902.40, 1,123,353.60 and 710,411.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.