Home / 658,294.20-987,520.50-231,741.45

Finding the Fourth Proportional to 658,294.20, 987,520.50 and 231,741.45

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Solution

The fourth proportional to 658,294.20, 987,520.50 and 231,741.45 is: 347,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,294.20 : 987,520.50 = 231,741.45 : x
  2. Step 2: Convert to fraction form
    658,294.20/987,520.50 = 231,741.45/x
  3. Step 3: Cross multiply
    658,294.20x = 987,520.50 × 231,741.45
  4. Step 4: Simplify right side
    658,294.20x = 228,849,432,574.73
  5. Step 5: Solve for x
    x = 228,849,432,574.73/658,294.20
  6. Step 6: Final answer
    x = 347,640.06

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1.5x scale

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.