Home / 807,751.30-1,114,691.61-445,175.50

Finding the Fourth Proportional to 807,751.30, 1,114,691.61 and 445,175.50

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Solution

The fourth proportional to 807,751.30, 1,114,691.61 and 445,175.50 is: 614,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,751.30 : 1,114,691.61 = 445,175.50 : x
  2. Step 2: Convert to fraction form
    807,751.30/1,114,691.61 = 445,175.50/x
  3. Step 3: Cross multiply
    807,751.30x = 1,114,691.61 × 445,175.50
  4. Step 4: Simplify right side
    807,751.30x = 496,233,394,827.56
  5. Step 5: Solve for x
    x = 496,233,394,827.56/807,751.30
  6. Step 6: Final answer
    x = 614,339.33

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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.