Home / 868,222.40-1,302,777.68-413,327.61

Finding the Fourth Proportional to 868,222.40, 1,302,777.68 and 413,327.61

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Solution

The fourth proportional to 868,222.40, 1,302,777.68 and 413,327.61 is: 620,202.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,222.40 : 1,302,777.68 = 413,327.61 : x
  2. Step 2: Convert to fraction form
    868,222.40/1,302,777.68 = 413,327.61/x
  3. Step 3: Cross multiply
    868,222.40x = 1,302,777.68 × 413,327.61
  4. Step 4: Simplify right side
    868,222.40x = 538,473,982,769.11
  5. Step 5: Solve for x
    x = 538,473,982,769.11/868,222.40
  6. Step 6: Final answer
    x = 620,202.83

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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.