Home / 658,424.49-987,564.96-446,553.42

Finding the Fourth Proportional to 658,424.49, 987,564.96 and 446,553.42

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Solution

The fourth proportional to 658,424.49, 987,564.96 and 446,553.42 is: 669,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,424.49 : 987,564.96 = 446,553.42 : x
  2. Step 2: Convert to fraction form
    658,424.49/987,564.96 = 446,553.42/x
  3. Step 3: Cross multiply
    658,424.49x = 987,564.96 × 446,553.42
  4. Step 4: Simplify right side
    658,424.49x = 441,000,510,360.16
  5. Step 5: Solve for x
    x = 441,000,510,360.16/658,424.49
  6. Step 6: Final answer
    x = 669,781.45

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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.