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Finding the Fourth Proportional to 658,592.48, 988,034.52 and 209,450.72

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Solution

The fourth proportional to 658,592.48, 988,034.52 and 209,450.72 is: 314,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,592.48 : 988,034.52 = 209,450.72 : x
  2. Step 2: Convert to fraction form
    658,592.48/988,034.52 = 209,450.72/x
  3. Step 3: Cross multiply
    658,592.48x = 988,034.52 × 209,450.72
  4. Step 4: Simplify right side
    658,592.48x = 206,944,541,598.85
  5. Step 5: Solve for x
    x = 206,944,541,598.85/658,592.48
  6. Step 6: Final answer
    x = 314,222.45

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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.