Home / 322,464.24-482,281.56-287,174.43

Finding the Fourth Proportional to 322,464.24, 482,281.56 and 287,174.43

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Solution

The fourth proportional to 322,464.24, 482,281.56 and 287,174.43 is: 429,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,464.24 : 482,281.56 = 287,174.43 : x
  2. Step 2: Convert to fraction form
    322,464.24/482,281.56 = 287,174.43/x
  3. Step 3: Cross multiply
    322,464.24x = 482,281.56 × 287,174.43
  4. Step 4: Simplify right side
    322,464.24x = 138,498,932,092.51
  5. Step 5: Solve for x
    x = 138,498,932,092.51/322,464.24
  6. Step 6: Final answer
    x = 429,501.68

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1.5x scale

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.