Home / 658,961.88-988,775.54-298,903.28

Finding the Fourth Proportional to 658,961.88, 988,775.54 and 298,903.28

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Solution

The fourth proportional to 658,961.88, 988,775.54 and 298,903.28 is: 448,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,961.88 : 988,775.54 = 298,903.28 : x
  2. Step 2: Convert to fraction form
    658,961.88/988,775.54 = 298,903.28/x
  3. Step 3: Cross multiply
    658,961.88x = 988,775.54 × 298,903.28
  4. Step 4: Simplify right side
    658,961.88x = 295,548,245,651.38
  5. Step 5: Solve for x
    x = 295,548,245,651.38/658,961.88
  6. Step 6: Final answer
    x = 448,505.83

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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.