Home / 499,037.78-748,559.91-199,543.52

Finding the Fourth Proportional to 499,037.78, 748,559.91 and 199,543.52

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Solution

The fourth proportional to 499,037.78, 748,559.91 and 199,543.52 is: 299,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,037.78 : 748,559.91 = 199,543.52 : x
  2. Step 2: Convert to fraction form
    499,037.78/748,559.91 = 199,543.52/x
  3. Step 3: Cross multiply
    499,037.78x = 748,559.91 × 199,543.52
  4. Step 4: Simplify right side
    499,037.78x = 149,370,279,372.28
  5. Step 5: Solve for x
    x = 149,370,279,372.28/499,037.78
  6. Step 6: Final answer
    x = 299,316.58

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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.