Home / 792,079.80-1,187,828.10-259,618.20

Finding the Fourth Proportional to 792,079.80, 1,187,828.10 and 259,618.20

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Solution

The fourth proportional to 792,079.80, 1,187,828.10 and 259,618.20 is: 389,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,079.80 : 1,187,828.10 = 259,618.20 : x
  2. Step 2: Convert to fraction form
    792,079.80/1,187,828.10 = 259,618.20/x
  3. Step 3: Cross multiply
    792,079.80x = 1,187,828.10 × 259,618.20
  4. Step 4: Simplify right side
    792,079.80x = 308,381,793,231.42
  5. Step 5: Solve for x
    x = 308,381,793,231.42/792,079.80
  6. Step 6: Final answer
    x = 389,331.72

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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.