Home / 987,185.61-1,480,472.19-356,017.41

Finding the Fourth Proportional to 987,185.61, 1,480,472.19 and 356,017.41

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Solution

The fourth proportional to 987,185.61, 1,480,472.19 and 356,017.41 is: 533,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,185.61 : 1,480,472.19 = 356,017.41 : x
  2. Step 2: Convert to fraction form
    987,185.61/1,480,472.19 = 356,017.41/x
  3. Step 3: Cross multiply
    987,185.61x = 1,480,472.19 × 356,017.41
  4. Step 4: Simplify right side
    987,185.61x = 527,073,874,660.83
  5. Step 5: Solve for x
    x = 527,073,874,660.83/987,185.61
  6. Step 6: Final answer
    x = 533,915.68

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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.