Home / 887,131.20-1,330,696.80-355,034.10

Finding the Fourth Proportional to 887,131.20, 1,330,696.80 and 355,034.10

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Solution

The fourth proportional to 887,131.20, 1,330,696.80 and 355,034.10 is: 532,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,131.20 : 1,330,696.80 = 355,034.10 : x
  2. Step 2: Convert to fraction form
    887,131.20/1,330,696.80 = 355,034.10/x
  3. Step 3: Cross multiply
    887,131.20x = 1,330,696.80 × 355,034.10
  4. Step 4: Simplify right side
    887,131.20x = 472,442,740,760.88
  5. Step 5: Solve for x
    x = 472,442,740,760.88/887,131.20
  6. Step 6: Final answer
    x = 532,551.15

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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.