Home / 892,160.80-1,337,798.40-323,519.20

Finding the Fourth Proportional to 892,160.80, 1,337,798.40 and 323,519.20

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Solution

The fourth proportional to 892,160.80, 1,337,798.40 and 323,519.20 is: 485,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,160.80 : 1,337,798.40 = 323,519.20 : x
  2. Step 2: Convert to fraction form
    892,160.80/1,337,798.40 = 323,519.20/x
  3. Step 3: Cross multiply
    892,160.80x = 1,337,798.40 × 323,519.20
  4. Step 4: Simplify right side
    892,160.80x = 432,803,468,129.28
  5. Step 5: Solve for x
    x = 432,803,468,129.28/892,160.80
  6. Step 6: Final answer
    x = 485,118.23

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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.