Home / 675,245.20-1,012,234.20-254,803.60

Finding the Fourth Proportional to 675,245.20, 1,012,234.20 and 254,803.60

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Solution

The fourth proportional to 675,245.20, 1,012,234.20 and 254,803.60 is: 381,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,245.20 : 1,012,234.20 = 254,803.60 : x
  2. Step 2: Convert to fraction form
    675,245.20/1,012,234.20 = 254,803.60/x
  3. Step 3: Cross multiply
    675,245.20x = 1,012,234.20 × 254,803.60
  4. Step 4: Simplify right side
    675,245.20x = 257,920,918,203.12
  5. Step 5: Solve for x
    x = 257,920,918,203.12/675,245.20
  6. Step 6: Final answer
    x = 381,966.31

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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.