Home / 690,233.13-952,989.30-432,213.60

Finding the Fourth Proportional to 690,233.13, 952,989.30 and 432,213.60

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Solution

The fourth proportional to 690,233.13, 952,989.30 and 432,213.60 is: 596,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,233.13 : 952,989.30 = 432,213.60 : x
  2. Step 2: Convert to fraction form
    690,233.13/952,989.30 = 432,213.60/x
  3. Step 3: Cross multiply
    690,233.13x = 952,989.30 × 432,213.60
  4. Step 4: Simplify right side
    690,233.13x = 411,894,936,114.48
  5. Step 5: Solve for x
    x = 411,894,936,114.48/690,233.13
  6. Step 6: Final answer
    x = 596,747.56

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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.