Home / 485,962.89-728,941.24-165,960.36

Finding the Fourth Proportional to 485,962.89, 728,941.24 and 165,960.36

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Solution

The fourth proportional to 485,962.89, 728,941.24 and 165,960.36 is: 248,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,962.89 : 728,941.24 = 165,960.36 : x
  2. Step 2: Convert to fraction form
    485,962.89/728,941.24 = 165,960.36/x
  3. Step 3: Cross multiply
    485,962.89x = 728,941.24 × 165,960.36
  4. Step 4: Simplify right side
    485,962.89x = 120,975,350,816.70
  5. Step 5: Solve for x
    x = 120,975,350,816.70/485,962.89
  6. Step 6: Final answer
    x = 248,939.48

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Similar ratio
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1.5x scale

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.