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Finding the Fourth Proportional to 623,652.72, 935,244.60 and 492,082.80

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Solution

The fourth proportional to 623,652.72, 935,244.60 and 492,082.80 is: 737,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,652.72 : 935,244.60 = 492,082.80 : x
  2. Step 2: Convert to fraction form
    623,652.72/935,244.60 = 492,082.80/x
  3. Step 3: Cross multiply
    623,652.72x = 935,244.60 × 492,082.80
  4. Step 4: Simplify right side
    623,652.72x = 460,217,781,452.88
  5. Step 5: Solve for x
    x = 460,217,781,452.88/623,652.72
  6. Step 6: Final answer
    x = 737,939.19

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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.