Home / 780,693.26-1,170,136.29-359,084.30

Finding the Fourth Proportional to 780,693.26, 1,170,136.29 and 359,084.30

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Solution

The fourth proportional to 780,693.26, 1,170,136.29 and 359,084.30 is: 538,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,693.26 : 1,170,136.29 = 359,084.30 : x
  2. Step 2: Convert to fraction form
    780,693.26/1,170,136.29 = 359,084.30/x
  3. Step 3: Cross multiply
    780,693.26x = 1,170,136.29 × 359,084.30
  4. Step 4: Simplify right side
    780,693.26x = 420,177,570,599.25
  5. Step 5: Solve for x
    x = 420,177,570,599.25/780,693.26
  6. Step 6: Final answer
    x = 538,210.83

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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.