Home / 914,765.53-1,262,375.18-506,893.78

Finding the Fourth Proportional to 914,765.53, 1,262,375.18 and 506,893.78

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Solution

The fourth proportional to 914,765.53, 1,262,375.18 and 506,893.78 is: 699,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,765.53 : 1,262,375.18 = 506,893.78 : x
  2. Step 2: Convert to fraction form
    914,765.53/1,262,375.18 = 506,893.78/x
  3. Step 3: Cross multiply
    914,765.53x = 1,262,375.18 × 506,893.78
  4. Step 4: Simplify right side
    914,765.53x = 639,890,131,191.55
  5. Step 5: Solve for x
    x = 639,890,131,191.55/914,765.53
  6. Step 6: Final answer
    x = 699,512.73

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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.