Home / 892,128.80-1,337,750.40-323,487.20

Finding the Fourth Proportional to 892,128.80, 1,337,750.40 and 323,487.20

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Solution

The fourth proportional to 892,128.80, 1,337,750.40 and 323,487.20 is: 485,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,128.80 : 1,337,750.40 = 323,487.20 : x
  2. Step 2: Convert to fraction form
    892,128.80/1,337,750.40 = 323,487.20/x
  3. Step 3: Cross multiply
    892,128.80x = 1,337,750.40 × 323,487.20
  4. Step 4: Simplify right side
    892,128.80x = 432,745,131,194.88
  5. Step 5: Solve for x
    x = 432,745,131,194.88/892,128.80
  6. Step 6: Final answer
    x = 485,070.24

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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.