Home / 687,962.93-1,031,995.14-182,512.72

Finding the Fourth Proportional to 687,962.93, 1,031,995.14 and 182,512.72

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Solution

The fourth proportional to 687,962.93, 1,031,995.14 and 182,512.72 is: 273,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,962.93 : 1,031,995.14 = 182,512.72 : x
  2. Step 2: Convert to fraction form
    687,962.93/1,031,995.14 = 182,512.72/x
  3. Step 3: Cross multiply
    687,962.93x = 1,031,995.14 × 182,512.72
  4. Step 4: Simplify right side
    687,962.93x = 188,352,235,855.41
  5. Step 5: Solve for x
    x = 188,352,235,855.41/687,962.93
  6. Step 6: Final answer
    x = 273,782.54

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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.