Home / 865,673.85-1,298,650.31-266,634.73

Finding the Fourth Proportional to 865,673.85, 1,298,650.31 and 266,634.73

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Solution

The fourth proportional to 865,673.85, 1,298,650.31 and 266,634.73 is: 399,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,673.85 : 1,298,650.31 = 266,634.73 : x
  2. Step 2: Convert to fraction form
    865,673.85/1,298,650.31 = 266,634.73/x
  3. Step 3: Cross multiply
    865,673.85x = 1,298,650.31 × 266,634.73
  4. Step 4: Simplify right side
    865,673.85x = 346,265,274,771.27
  5. Step 5: Solve for x
    x = 346,265,274,771.27/865,673.85
  6. Step 6: Final answer
    x = 399,995.07

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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.