Home / 762,509.13-1,143,771.92-230,034.78

Finding the Fourth Proportional to 762,509.13, 1,143,771.92 and 230,034.78

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Solution

The fourth proportional to 762,509.13, 1,143,771.92 and 230,034.78 is: 345,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,509.13 : 1,143,771.92 = 230,034.78 : x
  2. Step 2: Convert to fraction form
    762,509.13/1,143,771.92 = 230,034.78/x
  3. Step 3: Cross multiply
    762,509.13x = 1,143,771.92 × 230,034.78
  4. Step 4: Simplify right side
    762,509.13x = 263,107,320,837.20
  5. Step 5: Solve for x
    x = 263,107,320,837.20/762,509.13
  6. Step 6: Final answer
    x = 345,054.65

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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.