Home / 800,032.40-1,200,049.78-326,717.79

Finding the Fourth Proportional to 800,032.40, 1,200,049.78 and 326,717.79

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Solution

The fourth proportional to 800,032.40, 1,200,049.78 and 326,717.79 is: 490,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,032.40 : 1,200,049.78 = 326,717.79 : x
  2. Step 2: Convert to fraction form
    800,032.40/1,200,049.78 = 326,717.79/x
  3. Step 3: Cross multiply
    800,032.40x = 1,200,049.78 × 326,717.79
  4. Step 4: Simplify right side
    800,032.40x = 392,077,612,011.59
  5. Step 5: Solve for x
    x = 392,077,612,011.59/800,032.40
  6. Step 6: Final answer
    x = 490,077.17

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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.