Home / 755,287.66-1,042,296.98-415,755.91

Finding the Fourth Proportional to 755,287.66, 1,042,296.98 and 415,755.91

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Solution

The fourth proportional to 755,287.66, 1,042,296.98 and 415,755.91 is: 573,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,287.66 : 1,042,296.98 = 415,755.91 : x
  2. Step 2: Convert to fraction form
    755,287.66/1,042,296.98 = 415,755.91/x
  3. Step 3: Cross multiply
    755,287.66x = 1,042,296.98 × 415,755.91
  4. Step 4: Simplify right side
    755,287.66x = 433,341,132,150.34
  5. Step 5: Solve for x
    x = 433,341,132,150.34/755,287.66
  6. Step 6: Final answer
    x = 573,743.16

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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.