Home / 825,281.82-1,139,091.48-503,169.51

Finding the Fourth Proportional to 825,281.82, 1,139,091.48 and 503,169.51

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Solution

The fourth proportional to 825,281.82, 1,139,091.48 and 503,169.51 is: 694,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,281.82 : 1,139,091.48 = 503,169.51 : x
  2. Step 2: Convert to fraction form
    825,281.82/1,139,091.48 = 503,169.51/x
  3. Step 3: Cross multiply
    825,281.82x = 1,139,091.48 × 503,169.51
  4. Step 4: Simplify right side
    825,281.82x = 573,156,101,836.78
  5. Step 5: Solve for x
    x = 573,156,101,836.78/825,281.82
  6. Step 6: Final answer
    x = 694,497.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.