Home / 850,974.48-1,174,321.68-469,001.12

Finding the Fourth Proportional to 850,974.48, 1,174,321.68 and 469,001.12

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Solution

The fourth proportional to 850,974.48, 1,174,321.68 and 469,001.12 is: 647,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,974.48 : 1,174,321.68 = 469,001.12 : x
  2. Step 2: Convert to fraction form
    850,974.48/1,174,321.68 = 469,001.12/x
  3. Step 3: Cross multiply
    850,974.48x = 1,174,321.68 × 469,001.12
  4. Step 4: Simplify right side
    850,974.48x = 550,758,183,160.28
  5. Step 5: Solve for x
    x = 550,758,183,160.28/850,974.48
  6. Step 6: Final answer
    x = 647,208.81

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1.5x scale

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.