Home / 730,915.62-1,096,529.90-218,620.95

Finding the Fourth Proportional to 730,915.62, 1,096,529.90 and 218,620.95

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Solution

The fourth proportional to 730,915.62, 1,096,529.90 and 218,620.95 is: 327,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,915.62 : 1,096,529.90 = 218,620.95 : x
  2. Step 2: Convert to fraction form
    730,915.62/1,096,529.90 = 218,620.95/x
  3. Step 3: Cross multiply
    730,915.62x = 1,096,529.90 × 218,620.95
  4. Step 4: Simplify right side
    730,915.62x = 239,724,408,441.41
  5. Step 5: Solve for x
    x = 239,724,408,441.41/730,915.62
  6. Step 6: Final answer
    x = 327,978.23

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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.