Home / 658,748.21-988,105.82-303,761.93

Finding the Fourth Proportional to 658,748.21, 988,105.82 and 303,761.93

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Solution

The fourth proportional to 658,748.21, 988,105.82 and 303,761.93 is: 455,635.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,748.21 : 988,105.82 = 303,761.93 : x
  2. Step 2: Convert to fraction form
    658,748.21/988,105.82 = 303,761.93/x
  3. Step 3: Cross multiply
    658,748.21x = 988,105.82 × 303,761.93
  4. Step 4: Simplify right side
    658,748.21x = 300,148,924,468.09
  5. Step 5: Solve for x
    x = 300,148,924,468.09/658,748.21
  6. Step 6: Final answer
    x = 455,635.28

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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.