Home / 755,301.95-1,042,340.17-411,160.80

Finding the Fourth Proportional to 755,301.95, 1,042,340.17 and 411,160.80

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Solution

The fourth proportional to 755,301.95, 1,042,340.17 and 411,160.80 is: 567,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,301.95 : 1,042,340.17 = 411,160.80 : x
  2. Step 2: Convert to fraction form
    755,301.95/1,042,340.17 = 411,160.80/x
  3. Step 3: Cross multiply
    755,301.95x = 1,042,340.17 × 411,160.80
  4. Step 4: Simplify right side
    755,301.95x = 428,569,418,169.34
  5. Step 5: Solve for x
    x = 428,569,418,169.34/755,301.95
  6. Step 6: Final answer
    x = 567,414.69

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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.