Home / 687,672.03-1,031,661.12-226,070.87

Finding the Fourth Proportional to 687,672.03, 1,031,661.12 and 226,070.87

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Solution

The fourth proportional to 687,672.03, 1,031,661.12 and 226,070.87 is: 339,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,672.03 : 1,031,661.12 = 226,070.87 : x
  2. Step 2: Convert to fraction form
    687,672.03/1,031,661.12 = 226,070.87/x
  3. Step 3: Cross multiply
    687,672.03x = 1,031,661.12 × 226,070.87
  4. Step 4: Simplify right side
    687,672.03x = 233,228,521,785.27
  5. Step 5: Solve for x
    x = 233,228,521,785.27/687,672.03
  6. Step 6: Final answer
    x = 339,156.62

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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.