Home / 750,769.40-1,125,676.82-636,956.44

Finding the Fourth Proportional to 750,769.40, 1,125,676.82 and 636,956.44

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Solution

The fourth proportional to 750,769.40, 1,125,676.82 and 636,956.44 is: 955,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,769.40 : 1,125,676.82 = 636,956.44 : x
  2. Step 2: Convert to fraction form
    750,769.40/1,125,676.82 = 636,956.44/x
  3. Step 3: Cross multiply
    750,769.40x = 1,125,676.82 × 636,956.44
  4. Step 4: Simplify right side
    750,769.40x = 717,007,098,635.92
  5. Step 5: Solve for x
    x = 717,007,098,635.92/750,769.40
  6. Step 6: Final answer
    x = 955,029.73

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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.