Home / 866,739.93-1,300,287.23-298,047.17

Finding the Fourth Proportional to 866,739.93, 1,300,287.23 and 298,047.17

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Solution

The fourth proportional to 866,739.93, 1,300,287.23 and 298,047.17 is: 447,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,739.93 : 1,300,287.23 = 298,047.17 : x
  2. Step 2: Convert to fraction form
    866,739.93/1,300,287.23 = 298,047.17/x
  3. Step 3: Cross multiply
    866,739.93x = 1,300,287.23 × 298,047.17
  4. Step 4: Simplify right side
    866,739.93x = 387,546,921,096.97
  5. Step 5: Solve for x
    x = 387,546,921,096.97/866,739.93
  6. Step 6: Final answer
    x = 447,131.73

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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.