Home / 892,180.80-1,337,828.40-323,539.20

Finding the Fourth Proportional to 892,180.80, 1,337,828.40 and 323,539.20

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Solution

The fourth proportional to 892,180.80, 1,337,828.40 and 323,539.20 is: 485,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,180.80 : 1,337,828.40 = 323,539.20 : x
  2. Step 2: Convert to fraction form
    892,180.80/1,337,828.40 = 323,539.20/x
  3. Step 3: Cross multiply
    892,180.80x = 1,337,828.40 × 323,539.20
  4. Step 4: Simplify right side
    892,180.80x = 432,839,930,273.28
  5. Step 5: Solve for x
    x = 432,839,930,273.28/892,180.80
  6. Step 6: Final answer
    x = 485,148.22

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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.