Home / 742,754.24-1,113,042.72-461,418.56

Finding the Fourth Proportional to 742,754.24, 1,113,042.72 and 461,418.56

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Solution

The fourth proportional to 742,754.24, 1,113,042.72 and 461,418.56 is: 691,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,754.24 : 1,113,042.72 = 461,418.56 : x
  2. Step 2: Convert to fraction form
    742,754.24/1,113,042.72 = 461,418.56/x
  3. Step 3: Cross multiply
    742,754.24x = 1,113,042.72 × 461,418.56
  4. Step 4: Simplify right side
    742,754.24x = 513,578,569,080.88
  5. Step 5: Solve for x
    x = 513,578,569,080.88/742,754.24
  6. Step 6: Final answer
    x = 691,451.55

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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.