Home / 758,129.10-1,136,813.28-252,512.25

Finding the Fourth Proportional to 758,129.10, 1,136,813.28 and 252,512.25

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Solution

The fourth proportional to 758,129.10, 1,136,813.28 and 252,512.25 is: 378,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,129.10 : 1,136,813.28 = 252,512.25 : x
  2. Step 2: Convert to fraction form
    758,129.10/1,136,813.28 = 252,512.25/x
  3. Step 3: Cross multiply
    758,129.10x = 1,136,813.28 × 252,512.25
  4. Step 4: Simplify right side
    758,129.10x = 287,059,279,162.68
  5. Step 5: Solve for x
    x = 287,059,279,162.68/758,129.10
  6. Step 6: Final answer
    x = 378,641.68

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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.