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Finding the Fourth Proportional to 488,577.20, 732,865.80 and 409,845.20

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Solution

The fourth proportional to 488,577.20, 732,865.80 and 409,845.20 is: 614,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,577.20 : 732,865.80 = 409,845.20 : x
  2. Step 2: Convert to fraction form
    488,577.20/732,865.80 = 409,845.20/x
  3. Step 3: Cross multiply
    488,577.20x = 732,865.80 × 409,845.20
  4. Step 4: Simplify right side
    488,577.20x = 300,361,530,374.16
  5. Step 5: Solve for x
    x = 300,361,530,374.16/488,577.20
  6. Step 6: Final answer
    x = 614,767.80

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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.