Home / 849,512.61-1,172,335.68-467,548.20

Finding the Fourth Proportional to 849,512.61, 1,172,335.68 and 467,548.20

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Solution

The fourth proportional to 849,512.61, 1,172,335.68 and 467,548.20 is: 645,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,512.61 : 1,172,335.68 = 467,548.20 : x
  2. Step 2: Convert to fraction form
    849,512.61/1,172,335.68 = 467,548.20/x
  3. Step 3: Cross multiply
    849,512.61x = 1,172,335.68 × 467,548.20
  4. Step 4: Simplify right side
    849,512.61x = 548,123,436,979.78
  5. Step 5: Solve for x
    x = 548,123,436,979.78/849,512.61
  6. Step 6: Final answer
    x = 645,221.07

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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.