Home / 887,131.70-1,330,697.55-355,034.60

Finding the Fourth Proportional to 887,131.70, 1,330,697.55 and 355,034.60

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Solution

The fourth proportional to 887,131.70, 1,330,697.55 and 355,034.60 is: 532,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,131.70 : 1,330,697.55 = 355,034.60 : x
  2. Step 2: Convert to fraction form
    887,131.70/1,330,697.55 = 355,034.60/x
  3. Step 3: Cross multiply
    887,131.70x = 1,330,697.55 × 355,034.60
  4. Step 4: Simplify right side
    887,131.70x = 472,443,672,385.23
  5. Step 5: Solve for x
    x = 472,443,672,385.23/887,131.70
  6. Step 6: Final answer
    x = 532,551.90

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Similar ratio
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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.