Home / 587,557.31-811,077.11-396,829.04

Finding the Fourth Proportional to 587,557.31, 811,077.11 and 396,829.04

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Solution

The fourth proportional to 587,557.31, 811,077.11 and 396,829.04 is: 547,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,557.31 : 811,077.11 = 396,829.04 : x
  2. Step 2: Convert to fraction form
    587,557.31/811,077.11 = 396,829.04/x
  3. Step 3: Cross multiply
    587,557.31x = 811,077.11 × 396,829.04
  4. Step 4: Simplify right side
    587,557.31x = 321,858,944,887.74
  5. Step 5: Solve for x
    x = 321,858,944,887.74/587,557.31
  6. Step 6: Final answer
    x = 547,791.58

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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.