Home / 629,932.15-944,898.23-345,512.80

Finding the Fourth Proportional to 629,932.15, 944,898.23 and 345,512.80

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Solution

The fourth proportional to 629,932.15, 944,898.23 and 345,512.80 is: 518,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,932.15 : 944,898.23 = 345,512.80 : x
  2. Step 2: Convert to fraction form
    629,932.15/944,898.23 = 345,512.80/x
  3. Step 3: Cross multiply
    629,932.15x = 944,898.23 × 345,512.80
  4. Step 4: Simplify right side
    629,932.15x = 326,474,433,162.34
  5. Step 5: Solve for x
    x = 326,474,433,162.34/629,932.15
  6. Step 6: Final answer
    x = 518,269.20

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Double scale
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Similar ratio
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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.