Home / 672,822.38-928,517.30-366,915.50

Finding the Fourth Proportional to 672,822.38, 928,517.30 and 366,915.50

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Solution

The fourth proportional to 672,822.38, 928,517.30 and 366,915.50 is: 506,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,822.38 : 928,517.30 = 366,915.50 : x
  2. Step 2: Convert to fraction form
    672,822.38/928,517.30 = 366,915.50/x
  3. Step 3: Cross multiply
    672,822.38x = 928,517.30 × 366,915.50
  4. Step 4: Simplify right side
    672,822.38x = 340,687,389,388.15
  5. Step 5: Solve for x
    x = 340,687,389,388.15/672,822.38
  6. Step 6: Final answer
    x = 506,355.61

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1.5x scale

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.