Home / 687,464.93-1,031,236.79-182,012.76

Finding the Fourth Proportional to 687,464.93, 1,031,236.79 and 182,012.76

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Solution

The fourth proportional to 687,464.93, 1,031,236.79 and 182,012.76 is: 273,029.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,464.93 : 1,031,236.79 = 182,012.76 : x
  2. Step 2: Convert to fraction form
    687,464.93/1,031,236.79 = 182,012.76/x
  3. Step 3: Cross multiply
    687,464.93x = 1,031,236.79 × 182,012.76
  4. Step 4: Simplify right side
    687,464.93x = 187,698,248,295.19
  5. Step 5: Solve for x
    x = 187,698,248,295.19/687,464.93
  6. Step 6: Final answer
    x = 273,029.56

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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.