Home / 747,300.17-1,031,414.87-468,026.78

Finding the Fourth Proportional to 747,300.17, 1,031,414.87 and 468,026.78

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Solution

The fourth proportional to 747,300.17, 1,031,414.87 and 468,026.78 is: 645,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,300.17 : 1,031,414.87 = 468,026.78 : x
  2. Step 2: Convert to fraction form
    747,300.17/1,031,414.87 = 468,026.78/x
  3. Step 3: Cross multiply
    747,300.17x = 1,031,414.87 × 468,026.78
  4. Step 4: Simplify right side
    747,300.17x = 482,729,772,953.01
  5. Step 5: Solve for x
    x = 482,729,772,953.01/747,300.17
  6. Step 6: Final answer
    x = 645,965.02

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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.