Home / 658,099.22-987,024.27-320,801.06

Finding the Fourth Proportional to 658,099.22, 987,024.27 and 320,801.06

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Solution

The fourth proportional to 658,099.22, 987,024.27 and 320,801.06 is: 481,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,099.22 : 987,024.27 = 320,801.06 : x
  2. Step 2: Convert to fraction form
    658,099.22/987,024.27 = 320,801.06/x
  3. Step 3: Cross multiply
    658,099.22x = 987,024.27 × 320,801.06
  4. Step 4: Simplify right side
    658,099.22x = 316,638,432,061.73
  5. Step 5: Solve for x
    x = 316,638,432,061.73/658,099.22
  6. Step 6: Final answer
    x = 481,140.87

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1.5x scale

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.