Home / 748,867.80-1,123,301.70-465,432.60

Finding the Fourth Proportional to 748,867.80, 1,123,301.70 and 465,432.60

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Solution

The fourth proportional to 748,867.80, 1,123,301.70 and 465,432.60 is: 698,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,867.80 : 1,123,301.70 = 465,432.60 : x
  2. Step 2: Convert to fraction form
    748,867.80/1,123,301.70 = 465,432.60/x
  3. Step 3: Cross multiply
    748,867.80x = 1,123,301.70 × 465,432.60
  4. Step 4: Simplify right side
    748,867.80x = 522,821,230,815.42
  5. Step 5: Solve for x
    x = 522,821,230,815.42/748,867.80
  6. Step 6: Final answer
    x = 698,148.90

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Double scale
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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.