Home / 808,540.70-1,212,811.05-572,344.70

Finding the Fourth Proportional to 808,540.70, 1,212,811.05 and 572,344.70

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Solution

The fourth proportional to 808,540.70, 1,212,811.05 and 572,344.70 is: 858,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,540.70 : 1,212,811.05 = 572,344.70 : x
  2. Step 2: Convert to fraction form
    808,540.70/1,212,811.05 = 572,344.70/x
  3. Step 3: Cross multiply
    808,540.70x = 1,212,811.05 × 572,344.70
  4. Step 4: Simplify right side
    808,540.70x = 694,145,976,568.94
  5. Step 5: Solve for x
    x = 694,145,976,568.94/808,540.70
  6. Step 6: Final answer
    x = 858,517.05

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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.