Home / 755,458.32-1,042,538.76-411,296.61

Finding the Fourth Proportional to 755,458.32, 1,042,538.76 and 411,296.61

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Solution

The fourth proportional to 755,458.32, 1,042,538.76 and 411,296.61 is: 567,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,458.32 : 1,042,538.76 = 411,296.61 : x
  2. Step 2: Convert to fraction form
    755,458.32/1,042,538.76 = 411,296.61/x
  3. Step 3: Cross multiply
    755,458.32x = 1,042,538.76 × 411,296.61
  4. Step 4: Simplify right side
    755,458.32x = 428,792,657,781.60
  5. Step 5: Solve for x
    x = 428,792,657,781.60/755,458.32
  6. Step 6: Final answer
    x = 567,592.74

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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.