Home / 801,685.10-1,202,527.35-321,912.77

Finding the Fourth Proportional to 801,685.10, 1,202,527.35 and 321,912.77

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Solution

The fourth proportional to 801,685.10, 1,202,527.35 and 321,912.77 is: 482,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,685.10 : 1,202,527.35 = 321,912.77 : x
  2. Step 2: Convert to fraction form
    801,685.10/1,202,527.35 = 321,912.77/x
  3. Step 3: Cross multiply
    801,685.10x = 1,202,527.35 × 321,912.77
  4. Step 4: Simplify right side
    801,685.10x = 387,108,904,226.62
  5. Step 5: Solve for x
    x = 387,108,904,226.62/801,685.10
  6. Step 6: Final answer
    x = 482,869.03

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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.