Home / 687,802.89-1,031,732.31-175,481.34

Finding the Fourth Proportional to 687,802.89, 1,031,732.31 and 175,481.34

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Solution

The fourth proportional to 687,802.89, 1,031,732.31 and 175,481.34 is: 263,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,802.89 : 1,031,732.31 = 175,481.34 : x
  2. Step 2: Convert to fraction form
    687,802.89/1,031,732.31 = 175,481.34/x
  3. Step 3: Cross multiply
    687,802.89x = 1,031,732.31 × 175,481.34
  4. Step 4: Simplify right side
    687,802.89x = 181,049,764,575.61
  5. Step 5: Solve for x
    x = 181,049,764,575.61/687,802.89
  6. Step 6: Final answer
    x = 263,229.14

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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.