Home / 424,721.85-637,082.11-291,197.31

Finding the Fourth Proportional to 424,721.85, 637,082.11 and 291,197.31

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Solution

The fourth proportional to 424,721.85, 637,082.11 and 291,197.31 is: 436,795.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,721.85 : 637,082.11 = 291,197.31 : x
  2. Step 2: Convert to fraction form
    424,721.85/637,082.11 = 291,197.31/x
  3. Step 3: Cross multiply
    424,721.85x = 637,082.11 × 291,197.31
  4. Step 4: Simplify right side
    424,721.85x = 185,516,596,681.12
  5. Step 5: Solve for x
    x = 185,516,596,681.12/424,721.85
  6. Step 6: Final answer
    x = 436,795.51

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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.