Home / 887,613.60-1,330,764.30-488,704.80

Finding the Fourth Proportional to 887,613.60, 1,330,764.30 and 488,704.80

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Solution

The fourth proportional to 887,613.60, 1,330,764.30 and 488,704.80 is: 732,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,613.60 : 1,330,764.30 = 488,704.80 : x
  2. Step 2: Convert to fraction form
    887,613.60/1,330,764.30 = 488,704.80/x
  3. Step 3: Cross multiply
    887,613.60x = 1,330,764.30 × 488,704.80
  4. Step 4: Simplify right side
    887,613.60x = 650,350,901,078.64
  5. Step 5: Solve for x
    x = 650,350,901,078.64/887,613.60
  6. Step 6: Final answer
    x = 732,695.96

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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.