Home / 865,674.79-1,298,512.51-225,976.73

Finding the Fourth Proportional to 865,674.79, 1,298,512.51 and 225,976.73

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Solution

The fourth proportional to 865,674.79, 1,298,512.51 and 225,976.73 is: 338,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,674.79 : 1,298,512.51 = 225,976.73 : x
  2. Step 2: Convert to fraction form
    865,674.79/1,298,512.51 = 225,976.73/x
  3. Step 3: Cross multiply
    865,674.79x = 1,298,512.51 × 225,976.73
  4. Step 4: Simplify right side
    865,674.79x = 293,433,610,873.89
  5. Step 5: Solve for x
    x = 293,433,610,873.89/865,674.79
  6. Step 6: Final answer
    x = 338,965.18

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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.