Home / 723,677.31-998,021.12-451,770.44

Finding the Fourth Proportional to 723,677.31, 998,021.12 and 451,770.44

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Solution

The fourth proportional to 723,677.31, 998,021.12 and 451,770.44 is: 623,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,677.31 : 998,021.12 = 451,770.44 : x
  2. Step 2: Convert to fraction form
    723,677.31/998,021.12 = 451,770.44/x
  3. Step 3: Cross multiply
    723,677.31x = 998,021.12 × 451,770.44
  4. Step 4: Simplify right side
    723,677.31x = 450,876,433,262.74
  5. Step 5: Solve for x
    x = 450,876,433,262.74/723,677.31
  6. Step 6: Final answer
    x = 623,035.19

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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.