Home / 877,355.80-1,314,887.10-635,012.88

Finding the Fourth Proportional to 877,355.80, 1,314,887.10 and 635,012.88

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Solution

The fourth proportional to 877,355.80, 1,314,887.10 and 635,012.88 is: 951,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,355.80 : 1,314,887.10 = 635,012.88 : x
  2. Step 2: Convert to fraction form
    877,355.80/1,314,887.10 = 635,012.88/x
  3. Step 3: Cross multiply
    877,355.80x = 1,314,887.10 × 635,012.88
  4. Step 4: Simplify right side
    877,355.80x = 834,970,244,245.85
  5. Step 5: Solve for x
    x = 834,970,244,245.85/877,355.80
  6. Step 6: Final answer
    x = 951,689.43

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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.