Home / 753,988.70-1,131,065.51-327,231.16

Finding the Fourth Proportional to 753,988.70, 1,131,065.51 and 327,231.16

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Solution

The fourth proportional to 753,988.70, 1,131,065.51 and 327,231.16 is: 490,882.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,988.70 : 1,131,065.51 = 327,231.16 : x
  2. Step 2: Convert to fraction form
    753,988.70/1,131,065.51 = 327,231.16/x
  3. Step 3: Cross multiply
    753,988.70x = 1,131,065.51 × 327,231.16
  4. Step 4: Simplify right side
    753,988.70x = 370,119,874,409.47
  5. Step 5: Solve for x
    x = 370,119,874,409.47/753,988.70
  6. Step 6: Final answer
    x = 490,882.52

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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.