Home / 887,963.08-1,331,829.20-355,489.33

Finding the Fourth Proportional to 887,963.08, 1,331,829.20 and 355,489.33

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Solution

The fourth proportional to 887,963.08, 1,331,829.20 and 355,489.33 is: 533,187.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,963.08 : 1,331,829.20 = 355,489.33 : x
  2. Step 2: Convert to fraction form
    887,963.08/1,331,829.20 = 355,489.33/x
  3. Step 3: Cross multiply
    887,963.08x = 1,331,829.20 × 355,489.33
  4. Step 4: Simplify right side
    887,963.08x = 473,451,069,982.44
  5. Step 5: Solve for x
    x = 473,451,069,982.44/887,963.08
  6. Step 6: Final answer
    x = 533,187.79

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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.