Home / 907,691.31-1,361,684.76-268,059.75

Finding the Fourth Proportional to 907,691.31, 1,361,684.76 and 268,059.75

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Solution

The fourth proportional to 907,691.31, 1,361,684.76 and 268,059.75 is: 402,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,691.31 : 1,361,684.76 = 268,059.75 : x
  2. Step 2: Convert to fraction form
    907,691.31/1,361,684.76 = 268,059.75/x
  3. Step 3: Cross multiply
    907,691.31x = 1,361,684.76 × 268,059.75
  4. Step 4: Simplify right side
    907,691.31x = 365,012,876,344.41
  5. Step 5: Solve for x
    x = 365,012,876,344.41/907,691.31
  6. Step 6: Final answer
    x = 402,133.27

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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.