Home / 747,476.64-1,031,194.17-457,100.90

Finding the Fourth Proportional to 747,476.64, 1,031,194.17 and 457,100.90

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Solution

The fourth proportional to 747,476.64, 1,031,194.17 and 457,100.90 is: 630,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,476.64 : 1,031,194.17 = 457,100.90 : x
  2. Step 2: Convert to fraction form
    747,476.64/1,031,194.17 = 457,100.90/x
  3. Step 3: Cross multiply
    747,476.64x = 1,031,194.17 × 457,100.90
  4. Step 4: Simplify right side
    747,476.64x = 471,359,778,025.78
  5. Step 5: Solve for x
    x = 471,359,778,025.78/747,476.64
  6. Step 6: Final answer
    x = 630,601.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.