Home / 825,843.60-1,238,765.40-264,934.80

Finding the Fourth Proportional to 825,843.60, 1,238,765.40 and 264,934.80

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Solution

The fourth proportional to 825,843.60, 1,238,765.40 and 264,934.80 is: 397,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,843.60 : 1,238,765.40 = 264,934.80 : x
  2. Step 2: Convert to fraction form
    825,843.60/1,238,765.40 = 264,934.80/x
  3. Step 3: Cross multiply
    825,843.60x = 1,238,765.40 × 264,934.80
  4. Step 4: Simplify right side
    825,843.60x = 328,192,063,495.92
  5. Step 5: Solve for x
    x = 328,192,063,495.92/825,843.60
  6. Step 6: Final answer
    x = 397,402.20

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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.