Home / 739,896.79-1,109,421.27-227,428.47

Finding the Fourth Proportional to 739,896.79, 1,109,421.27 and 227,428.47

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Solution

The fourth proportional to 739,896.79, 1,109,421.27 and 227,428.47 is: 341,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,896.79 : 1,109,421.27 = 227,428.47 : x
  2. Step 2: Convert to fraction form
    739,896.79/1,109,421.27 = 227,428.47/x
  3. Step 3: Cross multiply
    739,896.79x = 1,109,421.27 × 227,428.47
  4. Step 4: Simplify right side
    739,896.79x = 252,313,982,021.56
  5. Step 5: Solve for x
    x = 252,313,982,021.56/739,896.79
  6. Step 6: Final answer
    x = 341,012.40

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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.