Home / 699,047.25-1,049,349.09-361,997.74

Finding the Fourth Proportional to 699,047.25, 1,049,349.09 and 361,997.74

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Solution

The fourth proportional to 699,047.25, 1,049,349.09 and 361,997.74 is: 543,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,047.25 : 1,049,349.09 = 361,997.74 : x
  2. Step 2: Convert to fraction form
    699,047.25/1,049,349.09 = 361,997.74/x
  3. Step 3: Cross multiply
    699,047.25x = 1,049,349.09 × 361,997.74
  4. Step 4: Simplify right side
    699,047.25x = 379,862,001,720.24
  5. Step 5: Solve for x
    x = 379,862,001,720.24/699,047.25
  6. Step 6: Final answer
    x = 543,399.61

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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.