Home / 749,706.20-1,124,559.30-677,389.40

Finding the Fourth Proportional to 749,706.20, 1,124,559.30 and 677,389.40

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Solution

The fourth proportional to 749,706.20, 1,124,559.30 and 677,389.40 is: 1,016,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,706.20 : 1,124,559.30 = 677,389.40 : x
  2. Step 2: Convert to fraction form
    749,706.20/1,124,559.30 = 677,389.40/x
  3. Step 3: Cross multiply
    749,706.20x = 1,124,559.30 × 677,389.40
  4. Step 4: Simplify right side
    749,706.20x = 761,764,549,491.42
  5. Step 5: Solve for x
    x = 761,764,549,491.42/749,706.20
  6. Step 6: Final answer
    x = 1,016,084.10

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Double scale
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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.