Home / 485,962.23-728,894.13-131,012.13

Finding the Fourth Proportional to 485,962.23, 728,894.13 and 131,012.13

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Solution

The fourth proportional to 485,962.23, 728,894.13 and 131,012.13 is: 196,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,962.23 : 728,894.13 = 131,012.13 : x
  2. Step 2: Convert to fraction form
    485,962.23/728,894.13 = 131,012.13/x
  3. Step 3: Cross multiply
    485,962.23x = 728,894.13 × 131,012.13
  4. Step 4: Simplify right side
    485,962.23x = 95,493,972,515.80
  5. Step 5: Solve for x
    x = 95,493,972,515.80/485,962.23
  6. Step 6: Final answer
    x = 196,504.93

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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.