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Finding the Fourth Proportional to 482,991.60, 724,487.40 and 294,034.80

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Solution

The fourth proportional to 482,991.60, 724,487.40 and 294,034.80 is: 441,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,991.60 : 724,487.40 = 294,034.80 : x
  2. Step 2: Convert to fraction form
    482,991.60/724,487.40 = 294,034.80/x
  3. Step 3: Cross multiply
    482,991.60x = 724,487.40 × 294,034.80
  4. Step 4: Simplify right side
    482,991.60x = 213,024,507,761.52
  5. Step 5: Solve for x
    x = 213,024,507,761.52/482,991.60
  6. Step 6: Final answer
    x = 441,052.20

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Similar ratio
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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.