Home / 887,363.28-1,331,571.96-326,791.44

Finding the Fourth Proportional to 887,363.28, 1,331,571.96 and 326,791.44

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Solution

The fourth proportional to 887,363.28, 1,331,571.96 and 326,791.44 is: 490,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,363.28 : 1,331,571.96 = 326,791.44 : x
  2. Step 2: Convert to fraction form
    887,363.28/1,331,571.96 = 326,791.44/x
  3. Step 3: Cross multiply
    887,363.28x = 1,331,571.96 × 326,791.44
  4. Step 4: Simplify right side
    887,363.28x = 435,146,318,272.02
  5. Step 5: Solve for x
    x = 435,146,318,272.02/887,363.28
  6. Step 6: Final answer
    x = 490,381.25

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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.