Home / 658,958.12-988,769.90-298,899.52

Finding the Fourth Proportional to 658,958.12, 988,769.90 and 298,899.52

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Solution

The fourth proportional to 658,958.12, 988,769.90 and 298,899.52 is: 448,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,958.12 : 988,769.90 = 298,899.52 : x
  2. Step 2: Convert to fraction form
    658,958.12/988,769.90 = 298,899.52/x
  3. Step 3: Cross multiply
    658,958.12x = 988,769.90 × 298,899.52
  4. Step 4: Simplify right side
    658,958.12x = 295,542,846,775.77
  5. Step 5: Solve for x
    x = 295,542,846,775.77/658,958.12
  6. Step 6: Final answer
    x = 448,500.20

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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.