Home / 887,963.40-1,331,945.10-327,216.60

Finding the Fourth Proportional to 887,963.40, 1,331,945.10 and 327,216.60

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Solution

The fourth proportional to 887,963.40, 1,331,945.10 and 327,216.60 is: 490,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,963.40 : 1,331,945.10 = 327,216.60 : x
  2. Step 2: Convert to fraction form
    887,963.40/1,331,945.10 = 327,216.60/x
  3. Step 3: Cross multiply
    887,963.40x = 1,331,945.10 × 327,216.60
  4. Step 4: Simplify right side
    887,963.40x = 435,834,547,008.66
  5. Step 5: Solve for x
    x = 435,834,547,008.66/887,963.40
  6. Step 6: Final answer
    x = 490,824.90

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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.