Home / 887,835.60-1,331,753.40-296,859.60

Finding the Fourth Proportional to 887,835.60, 1,331,753.40 and 296,859.60

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Solution

The fourth proportional to 887,835.60, 1,331,753.40 and 296,859.60 is: 445,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,835.60 : 1,331,753.40 = 296,859.60 : x
  2. Step 2: Convert to fraction form
    887,835.60/1,331,753.40 = 296,859.60/x
  3. Step 3: Cross multiply
    887,835.60x = 1,331,753.40 × 296,859.60
  4. Step 4: Simplify right side
    887,835.60x = 395,343,781,622.64
  5. Step 5: Solve for x
    x = 395,343,781,622.64/887,835.60
  6. Step 6: Final answer
    x = 445,289.40

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Similar ratio
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1.5x scale

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.