Home / 680,625.00-1,021,568.76-343,902.13

Finding the Fourth Proportional to 680,625.00, 1,021,568.76 and 343,902.13

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Solution

The fourth proportional to 680,625.00, 1,021,568.76 and 343,902.13 is: 516,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,625.00 : 1,021,568.76 = 343,902.13 : x
  2. Step 2: Convert to fraction form
    680,625.00/1,021,568.76 = 343,902.13/x
  3. Step 3: Cross multiply
    680,625.00x = 1,021,568.76 × 343,902.13
  4. Step 4: Simplify right side
    680,625.00x = 351,319,672,824.70
  5. Step 5: Solve for x
    x = 351,319,672,824.70/680,625.00
  6. Step 6: Final answer
    x = 516,172.15

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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.