Home / 887,195.90-1,331,121.90-288,176.60

Finding the Fourth Proportional to 887,195.90, 1,331,121.90 and 288,176.60

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Solution

The fourth proportional to 887,195.90, 1,331,121.90 and 288,176.60 is: 432,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,195.90 : 1,331,121.90 = 288,176.60 : x
  2. Step 2: Convert to fraction form
    887,195.90/1,331,121.90 = 288,176.60/x
  3. Step 3: Cross multiply
    887,195.90x = 1,331,121.90 × 288,176.60
  4. Step 4: Simplify right side
    887,195.90x = 383,598,183,327.54
  5. Step 5: Solve for x
    x = 383,598,183,327.54/887,195.90
  6. Step 6: Final answer
    x = 432,371.46

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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.