Home / 755,169.38-1,042,145.29-411,018.96

Finding the Fourth Proportional to 755,169.38, 1,042,145.29 and 411,018.96

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Solution

The fourth proportional to 755,169.38, 1,042,145.29 and 411,018.96 is: 567,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,169.38 : 1,042,145.29 = 411,018.96 : x
  2. Step 2: Convert to fraction form
    755,169.38/1,042,145.29 = 411,018.96/x
  3. Step 3: Cross multiply
    755,169.38x = 1,042,145.29 × 411,018.96
  4. Step 4: Simplify right side
    755,169.38x = 428,341,471,824.45
  5. Step 5: Solve for x
    x = 428,341,471,824.45/755,169.38
  6. Step 6: Final answer
    x = 567,212.45

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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.