Home / 658,939.06-988,034.10-259,363.30

Finding the Fourth Proportional to 658,939.06, 988,034.10 and 259,363.30

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Solution

The fourth proportional to 658,939.06, 988,034.10 and 259,363.30 is: 388,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,939.06 : 988,034.10 = 259,363.30 : x
  2. Step 2: Convert to fraction form
    658,939.06/988,034.10 = 259,363.30/x
  3. Step 3: Cross multiply
    658,939.06x = 988,034.10 × 259,363.30
  4. Step 4: Simplify right side
    658,939.06x = 256,259,784,688.53
  5. Step 5: Solve for x
    x = 256,259,784,688.53/658,939.06
  6. Step 6: Final answer
    x = 388,897.55

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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.