Home / 758,129.60-1,136,814.03-252,512.75

Finding the Fourth Proportional to 758,129.60, 1,136,814.03 and 252,512.75

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Solution

The fourth proportional to 758,129.60, 1,136,814.03 and 252,512.75 is: 378,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,129.60 : 1,136,814.03 = 252,512.75 : x
  2. Step 2: Convert to fraction form
    758,129.60/1,136,814.03 = 252,512.75/x
  3. Step 3: Cross multiply
    758,129.60x = 1,136,814.03 × 252,512.75
  4. Step 4: Simplify right side
    758,129.60x = 287,060,036,953.88
  5. Step 5: Solve for x
    x = 287,060,036,953.88/758,129.60
  6. Step 6: Final answer
    x = 378,642.43

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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.