Home / 992,997.60-1,489,885.20-361,975.20

Finding the Fourth Proportional to 992,997.60, 1,489,885.20 and 361,975.20

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Solution

The fourth proportional to 992,997.60, 1,489,885.20 and 361,975.20 is: 543,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,997.60 : 1,489,885.20 = 361,975.20 : x
  2. Step 2: Convert to fraction form
    992,997.60/1,489,885.20 = 361,975.20/x
  3. Step 3: Cross multiply
    992,997.60x = 1,489,885.20 × 361,975.20
  4. Step 4: Simplify right side
    992,997.60x = 539,301,493,247.04
  5. Step 5: Solve for x
    x = 539,301,493,247.04/992,997.60
  6. Step 6: Final answer
    x = 543,104.53

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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.