Home / 887,734.27-1,225,078.86-479,835.28

Finding the Fourth Proportional to 887,734.27, 1,225,078.86 and 479,835.28

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Solution

The fourth proportional to 887,734.27, 1,225,078.86 and 479,835.28 is: 662,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,734.27 : 1,225,078.86 = 479,835.28 : x
  2. Step 2: Convert to fraction form
    887,734.27/1,225,078.86 = 479,835.28/x
  3. Step 3: Cross multiply
    887,734.27x = 1,225,078.86 × 479,835.28
  4. Step 4: Simplify right side
    887,734.27x = 587,836,057,810.18
  5. Step 5: Solve for x
    x = 587,836,057,810.18/887,734.27
  6. Step 6: Final answer
    x = 662,175.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.