Home / 873,179.83-1,204,986.39-491,206.91

Finding the Fourth Proportional to 873,179.83, 1,204,986.39 and 491,206.91

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Solution

The fourth proportional to 873,179.83, 1,204,986.39 and 491,206.91 is: 677,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,179.83 : 1,204,986.39 = 491,206.91 : x
  2. Step 2: Convert to fraction form
    873,179.83/1,204,986.39 = 491,206.91/x
  3. Step 3: Cross multiply
    873,179.83x = 1,204,986.39 × 491,206.91
  4. Step 4: Simplify right side
    873,179.83x = 591,897,641,223.96
  5. Step 5: Solve for x
    x = 591,897,641,223.96/873,179.83
  6. Step 6: Final answer
    x = 677,864.54

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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.