Home / 724,025.82-998,897.24-451,990.42

Finding the Fourth Proportional to 724,025.82, 998,897.24 and 451,990.42

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Solution

The fourth proportional to 724,025.82, 998,897.24 and 451,990.42 is: 623,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,025.82 : 998,897.24 = 451,990.42 : x
  2. Step 2: Convert to fraction form
    724,025.82/998,897.24 = 451,990.42/x
  3. Step 3: Cross multiply
    724,025.82x = 998,897.24 × 451,990.42
  4. Step 4: Simplify right side
    724,025.82x = 451,491,983,044.44
  5. Step 5: Solve for x
    x = 451,491,983,044.44/724,025.82
  6. Step 6: Final answer
    x = 623,585.47

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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.