Home / 887,631.60-1,330,791.30-488,722.80

Finding the Fourth Proportional to 887,631.60, 1,330,791.30 and 488,722.80

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Solution

The fourth proportional to 887,631.60, 1,330,791.30 and 488,722.80 is: 732,722.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,631.60 : 1,330,791.30 = 488,722.80 : x
  2. Step 2: Convert to fraction form
    887,631.60/1,330,791.30 = 488,722.80/x
  3. Step 3: Cross multiply
    887,631.60x = 1,330,791.30 × 488,722.80
  4. Step 4: Simplify right side
    887,631.60x = 650,388,050,351.64
  5. Step 5: Solve for x
    x = 650,388,050,351.64/887,631.60
  6. Step 6: Final answer
    x = 732,722.96

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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.