Home / 747,508.76-1,031,495.87-416,339.43

Finding the Fourth Proportional to 747,508.76, 1,031,495.87 and 416,339.43

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Solution

The fourth proportional to 747,508.76, 1,031,495.87 and 416,339.43 is: 574,511.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,508.76 : 1,031,495.87 = 416,339.43 : x
  2. Step 2: Convert to fraction form
    747,508.76/1,031,495.87 = 416,339.43/x
  3. Step 3: Cross multiply
    747,508.76x = 1,031,495.87 × 416,339.43
  4. Step 4: Simplify right side
    747,508.76x = 429,452,400,481.46
  5. Step 5: Solve for x
    x = 429,452,400,481.46/747,508.76
  6. Step 6: Final answer
    x = 574,511.53

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Half scale
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Double scale
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Similar ratio
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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.