Home / 862,755.28-1,294,136.25-263,714.11

Finding the Fourth Proportional to 862,755.28, 1,294,136.25 and 263,714.11

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Solution

The fourth proportional to 862,755.28, 1,294,136.25 and 263,714.11 is: 395,572.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,755.28 : 1,294,136.25 = 263,714.11 : x
  2. Step 2: Convert to fraction form
    862,755.28/1,294,136.25 = 263,714.11/x
  3. Step 3: Cross multiply
    862,755.28x = 1,294,136.25 × 263,714.11
  4. Step 4: Simplify right side
    862,755.28x = 341,281,989,387.49
  5. Step 5: Solve for x
    x = 341,281,989,387.49/862,755.28
  6. Step 6: Final answer
    x = 395,572.18

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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.