Home / 744,007.68-1,026,687-404,472.96

Finding the Fourth Proportional to 744,007.68, 1,026,687 and 404,472.96

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Solution

The fourth proportional to 744,007.68, 1,026,687 and 404,472.96 is: 558,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,007.68 : 1,026,687 = 404,472.96 : x
  2. Step 2: Convert to fraction form
    744,007.68/1,026,687 = 404,472.96/x
  3. Step 3: Cross multiply
    744,007.68x = 1,026,687 × 404,472.96
  4. Step 4: Simplify right side
    744,007.68x = 415,267,129,883.52
  5. Step 5: Solve for x
    x = 415,267,129,883.52/744,007.68
  6. Step 6: Final answer
    x = 558,148.98

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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.