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Finding the Fourth Proportional to 488,593.76, 732,900.76 and 133,605.59

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Solution

The fourth proportional to 488,593.76, 732,900.76 and 133,605.59 is: 200,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,593.76 : 732,900.76 = 133,605.59 : x
  2. Step 2: Convert to fraction form
    488,593.76/732,900.76 = 133,605.59/x
  3. Step 3: Cross multiply
    488,593.76x = 732,900.76 × 133,605.59
  4. Step 4: Simplify right side
    488,593.76x = 97,919,634,452.73
  5. Step 5: Solve for x
    x = 97,919,634,452.73/488,593.76
  6. Step 6: Final answer
    x = 200,411.15

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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.