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Finding the Fourth Proportional to 488,230.20, 732,345.30 and 409,498.20

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Solution

The fourth proportional to 488,230.20, 732,345.30 and 409,498.20 is: 614,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,230.20 : 732,345.30 = 409,498.20 : x
  2. Step 2: Convert to fraction form
    488,230.20/732,345.30 = 409,498.20/x
  3. Step 3: Cross multiply
    488,230.20x = 732,345.30 × 409,498.20
  4. Step 4: Simplify right side
    488,230.20x = 299,894,082,128.46
  5. Step 5: Solve for x
    x = 299,894,082,128.46/488,230.20
  6. Step 6: Final answer
    x = 614,247.30

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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.