Home / 856,338.38-1,181,746.79-469,167.54

Finding the Fourth Proportional to 856,338.38, 1,181,746.79 and 469,167.54

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Solution

The fourth proportional to 856,338.38, 1,181,746.79 and 469,167.54 is: 647,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,338.38 : 1,181,746.79 = 469,167.54 : x
  2. Step 2: Convert to fraction form
    856,338.38/1,181,746.79 = 469,167.54/x
  3. Step 3: Cross multiply
    856,338.38x = 1,181,746.79 × 469,167.54
  4. Step 4: Simplify right side
    856,338.38x = 554,437,226,112.63
  5. Step 5: Solve for x
    x = 554,437,226,112.63/856,338.38
  6. Step 6: Final answer
    x = 647,451.10

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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.