Home / 744,909.76-1,027,976.30-418,177.36

Finding the Fourth Proportional to 744,909.76, 1,027,976.30 and 418,177.36

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Solution

The fourth proportional to 744,909.76, 1,027,976.30 and 418,177.36 is: 577,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,909.76 : 1,027,976.30 = 418,177.36 : x
  2. Step 2: Convert to fraction form
    744,909.76/1,027,976.30 = 418,177.36/x
  3. Step 3: Cross multiply
    744,909.76x = 1,027,976.30 × 418,177.36
  4. Step 4: Simplify right side
    744,909.76x = 429,876,415,276.57
  5. Step 5: Solve for x
    x = 429,876,415,276.57/744,909.76
  6. Step 6: Final answer
    x = 577,085.22

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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.