Home / 910,371.90-1,364,974.65-378,104.70

Finding the Fourth Proportional to 910,371.90, 1,364,974.65 and 378,104.70

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Solution

The fourth proportional to 910,371.90, 1,364,974.65 and 378,104.70 is: 566,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,371.90 : 1,364,974.65 = 378,104.70 : x
  2. Step 2: Convert to fraction form
    910,371.90/1,364,974.65 = 378,104.70/x
  3. Step 3: Cross multiply
    910,371.90x = 1,364,974.65 × 378,104.70
  4. Step 4: Simplify right side
    910,371.90x = 516,103,330,545.86
  5. Step 5: Solve for x
    x = 516,103,330,545.86/910,371.90
  6. Step 6: Final answer
    x = 566,914.83

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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.