Home / 887,052.90-1,330,251.30-288,033.60

Finding the Fourth Proportional to 887,052.90, 1,330,251.30 and 288,033.60

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Solution

The fourth proportional to 887,052.90, 1,330,251.30 and 288,033.60 is: 431,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,052.90 : 1,330,251.30 = 288,033.60 : x
  2. Step 2: Convert to fraction form
    887,052.90/1,330,251.30 = 288,033.60/x
  3. Step 3: Cross multiply
    887,052.90x = 1,330,251.30 × 288,033.60
  4. Step 4: Simplify right side
    887,052.90x = 383,157,070,843.68
  5. Step 5: Solve for x
    x = 383,157,070,843.68/887,052.90
  6. Step 6: Final answer
    x = 431,943.88

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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.