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Finding the Fourth Proportional to 425,123.63, 637,684.53 and 291,599.18

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Solution

The fourth proportional to 425,123.63, 637,684.53 and 291,599.18 is: 437,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,123.63 : 637,684.53 = 291,599.18 : x
  2. Step 2: Convert to fraction form
    425,123.63/637,684.53 = 291,599.18/x
  3. Step 3: Cross multiply
    425,123.63x = 637,684.53 × 291,599.18
  4. Step 4: Simplify right side
    425,123.63x = 185,948,286,046.69
  5. Step 5: Solve for x
    x = 185,948,286,046.69/425,123.63
  6. Step 6: Final answer
    x = 437,398.14

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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.