Home / 850,828.16-1,174,167.92-468,879.54

Finding the Fourth Proportional to 850,828.16, 1,174,167.92 and 468,879.54

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Solution

The fourth proportional to 850,828.16, 1,174,167.92 and 468,879.54 is: 647,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,828.16 : 1,174,167.92 = 468,879.54 : x
  2. Step 2: Convert to fraction form
    850,828.16/1,174,167.92 = 468,879.54/x
  3. Step 3: Cross multiply
    850,828.16x = 1,174,167.92 × 468,879.54
  4. Step 4: Simplify right side
    850,828.16x = 550,543,311,867.96
  5. Step 5: Solve for x
    x = 550,543,311,867.96/850,828.16
  6. Step 6: Final answer
    x = 647,067.58

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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.