Home / 844,526.31-1,165,446.96-457,344.78

Finding the Fourth Proportional to 844,526.31, 1,165,446.96 and 457,344.78

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Solution

The fourth proportional to 844,526.31, 1,165,446.96 and 457,344.78 is: 631,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,526.31 : 1,165,446.96 = 457,344.78 : x
  2. Step 2: Convert to fraction form
    844,526.31/1,165,446.96 = 457,344.78/x
  3. Step 3: Cross multiply
    844,526.31x = 1,165,446.96 × 457,344.78
  4. Step 4: Simplify right side
    844,526.31x = 533,011,083,522.87
  5. Step 5: Solve for x
    x = 533,011,083,522.87/844,526.31
  6. Step 6: Final answer
    x = 631,136.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.