Home / 772,147.80-1,158,376.62-266,727.24

Finding the Fourth Proportional to 772,147.80, 1,158,376.62 and 266,727.24

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Solution

The fourth proportional to 772,147.80, 1,158,376.62 and 266,727.24 is: 400,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,147.80 : 1,158,376.62 = 266,727.24 : x
  2. Step 2: Convert to fraction form
    772,147.80/1,158,376.62 = 266,727.24/x
  3. Step 3: Cross multiply
    772,147.80x = 1,158,376.62 × 266,727.24
  4. Step 4: Simplify right side
    772,147.80x = 308,970,598,733.13
  5. Step 5: Solve for x
    x = 308,970,598,733.13/772,147.80
  6. Step 6: Final answer
    x = 400,144.37

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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.