Home / 762,490.83-1,143,744.47-230,016.48

Finding the Fourth Proportional to 762,490.83, 1,143,744.47 and 230,016.48

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Solution

The fourth proportional to 762,490.83, 1,143,744.47 and 230,016.48 is: 345,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,490.83 : 1,143,744.47 = 230,016.48 : x
  2. Step 2: Convert to fraction form
    762,490.83/1,143,744.47 = 230,016.48/x
  3. Step 3: Cross multiply
    762,490.83x = 1,143,744.47 × 230,016.48
  4. Step 4: Simplify right side
    762,490.83x = 263,080,072,432.30
  5. Step 5: Solve for x
    x = 263,080,072,432.30/762,490.83
  6. Step 6: Final answer
    x = 345,027.19

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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.