Home / 680,584.04-1,021,507.60-343,861.20

Finding the Fourth Proportional to 680,584.04, 1,021,507.60 and 343,861.20

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Solution

The fourth proportional to 680,584.04, 1,021,507.60 and 343,861.20 is: 516,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,584.04 : 1,021,507.60 = 343,861.20 : x
  2. Step 2: Convert to fraction form
    680,584.04/1,021,507.60 = 343,861.20/x
  3. Step 3: Cross multiply
    680,584.04x = 1,021,507.60 × 343,861.20
  4. Step 4: Simplify right side
    680,584.04x = 351,256,829,145.12
  5. Step 5: Solve for x
    x = 351,256,829,145.12/680,584.04
  6. Step 6: Final answer
    x = 516,110.88

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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.