Home / 325,572.31-488,438.38-262,959.85

Finding the Fourth Proportional to 325,572.31, 488,438.38 and 262,959.85

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Solution

The fourth proportional to 325,572.31, 488,438.38 and 262,959.85 is: 394,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,572.31 : 488,438.38 = 262,959.85 : x
  2. Step 2: Convert to fraction form
    325,572.31/488,438.38 = 262,959.85/x
  3. Step 3: Cross multiply
    325,572.31x = 488,438.38 × 262,959.85
  4. Step 4: Simplify right side
    325,572.31x = 128,439,680,696.85
  5. Step 5: Solve for x
    x = 128,439,680,696.85/325,572.31
  6. Step 6: Final answer
    x = 394,504.32

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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.