Home / 928,208.67-1,392,314.22-254,295.90

Finding the Fourth Proportional to 928,208.67, 1,392,314.22 and 254,295.90

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Solution

The fourth proportional to 928,208.67, 1,392,314.22 and 254,295.90 is: 381,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,208.67 : 1,392,314.22 = 254,295.90 : x
  2. Step 2: Convert to fraction form
    928,208.67/1,392,314.22 = 254,295.90/x
  3. Step 3: Cross multiply
    928,208.67x = 1,392,314.22 × 254,295.90
  4. Step 4: Simplify right side
    928,208.67x = 354,059,797,657.70
  5. Step 5: Solve for x
    x = 354,059,797,657.70/928,208.67
  6. Step 6: Final answer
    x = 381,444.18

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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.