Home / 887,467.20-1,331,200.80-674,890.80

Finding the Fourth Proportional to 887,467.20, 1,331,200.80 and 674,890.80

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Solution

The fourth proportional to 887,467.20, 1,331,200.80 and 674,890.80 is: 1,012,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,467.20 : 1,331,200.80 = 674,890.80 : x
  2. Step 2: Convert to fraction form
    887,467.20/1,331,200.80 = 674,890.80/x
  3. Step 3: Cross multiply
    887,467.20x = 1,331,200.80 × 674,890.80
  4. Step 4: Simplify right side
    887,467.20x = 898,415,172,872.64
  5. Step 5: Solve for x
    x = 898,415,172,872.64/887,467.20
  6. Step 6: Final answer
    x = 1,012,336.20

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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.