Home / 667,539.09-1,001,308.50-443,337.39

Finding the Fourth Proportional to 667,539.09, 1,001,308.50 and 443,337.39

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Solution

The fourth proportional to 667,539.09, 1,001,308.50 and 443,337.39 is: 665,006.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,539.09 : 1,001,308.50 = 443,337.39 : x
  2. Step 2: Convert to fraction form
    667,539.09/1,001,308.50 = 443,337.39/x
  3. Step 3: Cross multiply
    667,539.09x = 1,001,308.50 × 443,337.39
  4. Step 4: Simplify right side
    667,539.09x = 443,917,496,974.82
  5. Step 5: Solve for x
    x = 443,917,496,974.82/667,539.09
  6. Step 6: Final answer
    x = 665,006.00

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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.