Home / 792,250.40-1,188,529.20-398,266.40

Finding the Fourth Proportional to 792,250.40, 1,188,529.20 and 398,266.40

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Solution

The fourth proportional to 792,250.40, 1,188,529.20 and 398,266.40 is: 597,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,250.40 : 1,188,529.20 = 398,266.40 : x
  2. Step 2: Convert to fraction form
    792,250.40/1,188,529.20 = 398,266.40/x
  3. Step 3: Cross multiply
    792,250.40x = 1,188,529.20 × 398,266.40
  4. Step 4: Simplify right side
    792,250.40x = 473,351,245,778.88
  5. Step 5: Solve for x
    x = 473,351,245,778.88/792,250.40
  6. Step 6: Final answer
    x = 597,476.82

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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.