Home / 687,683.85-1,031,477.09-182,233.64

Finding the Fourth Proportional to 687,683.85, 1,031,477.09 and 182,233.64

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Solution

The fourth proportional to 687,683.85, 1,031,477.09 and 182,233.64 is: 273,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,683.85 : 1,031,477.09 = 182,233.64 : x
  2. Step 2: Convert to fraction form
    687,683.85/1,031,477.09 = 182,233.64/x
  3. Step 3: Cross multiply
    687,683.85x = 1,031,477.09 × 182,233.64
  4. Step 4: Simplify right side
    687,683.85x = 187,969,826,354.83
  5. Step 5: Solve for x
    x = 187,969,826,354.83/687,683.85
  6. Step 6: Final answer
    x = 273,337.56

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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.