Home / 758,134.10-1,136,820.78-252,517.25

Finding the Fourth Proportional to 758,134.10, 1,136,820.78 and 252,517.25

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Solution

The fourth proportional to 758,134.10, 1,136,820.78 and 252,517.25 is: 378,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,134.10 : 1,136,820.78 = 252,517.25 : x
  2. Step 2: Convert to fraction form
    758,134.10/1,136,820.78 = 252,517.25/x
  3. Step 3: Cross multiply
    758,134.10x = 1,136,820.78 × 252,517.25
  4. Step 4: Simplify right side
    758,134.10x = 287,066,851,424.35
  5. Step 5: Solve for x
    x = 287,066,851,424.35/758,134.10
  6. Step 6: Final answer
    x = 378,649.18

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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.