Home / 747,153.59-1,031,151.38-456,934.94

Finding the Fourth Proportional to 747,153.59, 1,031,151.38 and 456,934.94

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Solution

The fourth proportional to 747,153.59, 1,031,151.38 and 456,934.94 is: 630,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,153.59 : 1,031,151.38 = 456,934.94 : x
  2. Step 2: Convert to fraction form
    747,153.59/1,031,151.38 = 456,934.94/x
  3. Step 3: Cross multiply
    747,153.59x = 1,031,151.38 × 456,934.94
  4. Step 4: Simplify right side
    747,153.59x = 471,169,086,510.79
  5. Step 5: Solve for x
    x = 471,169,086,510.79/747,153.59
  6. Step 6: Final answer
    x = 630,618.78

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Double scale
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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.