Home / 827,408.60-1,241,727.30-329,130.20

Finding the Fourth Proportional to 827,408.60, 1,241,727.30 and 329,130.20

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Solution

The fourth proportional to 827,408.60, 1,241,727.30 and 329,130.20 is: 493,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,408.60 : 1,241,727.30 = 329,130.20 : x
  2. Step 2: Convert to fraction form
    827,408.60/1,241,727.30 = 329,130.20/x
  3. Step 3: Cross multiply
    827,408.60x = 1,241,727.30 × 329,130.20
  4. Step 4: Simplify right side
    827,408.60x = 408,689,954,594.46
  5. Step 5: Solve for x
    x = 408,689,954,594.46/827,408.60
  6. Step 6: Final answer
    x = 493,939.70

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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.