Home / 498,829.55-748,354.89-143,815.87

Finding the Fourth Proportional to 498,829.55, 748,354.89 and 143,815.87

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Solution

The fourth proportional to 498,829.55, 748,354.89 and 143,815.87 is: 215,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,829.55 : 748,354.89 = 143,815.87 : x
  2. Step 2: Convert to fraction form
    498,829.55/748,354.89 = 143,815.87/x
  3. Step 3: Cross multiply
    498,829.55x = 748,354.89 × 143,815.87
  4. Step 4: Simplify right side
    498,829.55x = 107,625,305,832.33
  5. Step 5: Solve for x
    x = 107,625,305,832.33/498,829.55
  6. Step 6: Final answer
    x = 215,755.67

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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.