Home / 888,138.68-1,225,554.70-500,932.76

Finding the Fourth Proportional to 888,138.68, 1,225,554.70 and 500,932.76

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Solution

The fourth proportional to 888,138.68, 1,225,554.70 and 500,932.76 is: 691,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,138.68 : 1,225,554.70 = 500,932.76 : x
  2. Step 2: Convert to fraction form
    888,138.68/1,225,554.70 = 500,932.76/x
  3. Step 3: Cross multiply
    888,138.68x = 1,225,554.70 × 500,932.76
  4. Step 4: Simplify right side
    888,138.68x = 613,920,498,401.97
  5. Step 5: Solve for x
    x = 613,920,498,401.97/888,138.68
  6. Step 6: Final answer
    x = 691,243.96

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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.