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Finding the Fourth Proportional to 488,552.90, 732,829.35 and 445,007.30

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Solution

The fourth proportional to 488,552.90, 732,829.35 and 445,007.30 is: 667,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,552.90 : 732,829.35 = 445,007.30 : x
  2. Step 2: Convert to fraction form
    488,552.90/732,829.35 = 445,007.30/x
  3. Step 3: Cross multiply
    488,552.90x = 732,829.35 × 445,007.30
  4. Step 4: Simplify right side
    488,552.90x = 326,114,410,404.26
  5. Step 5: Solve for x
    x = 326,114,410,404.26/488,552.90
  6. Step 6: Final answer
    x = 667,510.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.