Home / 800,331.84-1,200,499.80-327,017.19

Finding the Fourth Proportional to 800,331.84, 1,200,499.80 and 327,017.19

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Solution

The fourth proportional to 800,331.84, 1,200,499.80 and 327,017.19 is: 490,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,331.84 : 1,200,499.80 = 327,017.19 : x
  2. Step 2: Convert to fraction form
    800,331.84/1,200,499.80 = 327,017.19/x
  3. Step 3: Cross multiply
    800,331.84x = 1,200,499.80 × 327,017.19
  4. Step 4: Simplify right side
    800,331.84x = 392,584,071,191.56
  5. Step 5: Solve for x
    x = 392,584,071,191.56/800,331.84
  6. Step 6: Final answer
    x = 490,526.62

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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.