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Finding the Fourth Proportional to 658,408.92, 987,541.58 and 446,537.82

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Solution

The fourth proportional to 658,408.92, 987,541.58 and 446,537.82 is: 669,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,408.92 : 987,541.58 = 446,537.82 : x
  2. Step 2: Convert to fraction form
    658,408.92/987,541.58 = 446,537.82/x
  3. Step 3: Cross multiply
    658,408.92x = 987,541.58 × 446,537.82
  4. Step 4: Simplify right side
    658,408.92x = 440,974,669,112.18
  5. Step 5: Solve for x
    x = 440,974,669,112.18/658,408.92
  6. Step 6: Final answer
    x = 669,758.05

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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.