Home / 724,121.38-999,481.23-452,025.34

Finding the Fourth Proportional to 724,121.38, 999,481.23 and 452,025.34

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Solution

The fourth proportional to 724,121.38, 999,481.23 and 452,025.34 is: 623,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,121.38 : 999,481.23 = 452,025.34 : x
  2. Step 2: Convert to fraction form
    724,121.38/999,481.23 = 452,025.34/x
  3. Step 3: Cross multiply
    724,121.38x = 999,481.23 × 452,025.34
  4. Step 4: Simplify right side
    724,121.38x = 451,790,842,814.37
  5. Step 5: Solve for x
    x = 451,790,842,814.37/724,121.38
  6. Step 6: Final answer
    x = 623,915.90

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.