Home / 917,976.46-1,266,414.55-573,213.85

Finding the Fourth Proportional to 917,976.46, 1,266,414.55 and 573,213.85

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Solution

The fourth proportional to 917,976.46, 1,266,414.55 and 573,213.85 is: 790,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,976.46 : 1,266,414.55 = 573,213.85 : x
  2. Step 2: Convert to fraction form
    917,976.46/1,266,414.55 = 573,213.85/x
  3. Step 3: Cross multiply
    917,976.46x = 1,266,414.55 × 573,213.85
  4. Step 4: Simplify right side
    917,976.46x = 725,926,359,901.52
  5. Step 5: Solve for x
    x = 725,926,359,901.52/917,976.46
  6. Step 6: Final answer
    x = 790,789.73

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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.