Home / 687,963.93-1,031,996.64-182,513.72

Finding the Fourth Proportional to 687,963.93, 1,031,996.64 and 182,513.72

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Solution

The fourth proportional to 687,963.93, 1,031,996.64 and 182,513.72 is: 273,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,963.93 : 1,031,996.64 = 182,513.72 : x
  2. Step 2: Convert to fraction form
    687,963.93/1,031,996.64 = 182,513.72/x
  3. Step 3: Cross multiply
    687,963.93x = 1,031,996.64 × 182,513.72
  4. Step 4: Simplify right side
    687,963.93x = 188,353,545,793.90
  5. Step 5: Solve for x
    x = 188,353,545,793.90/687,963.93
  6. Step 6: Final answer
    x = 273,784.04

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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.