Home / 952,009.73-1,428,147.94-278,140.35

Finding the Fourth Proportional to 952,009.73, 1,428,147.94 and 278,140.35

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Solution

The fourth proportional to 952,009.73, 1,428,147.94 and 278,140.35 is: 417,249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,009.73 : 1,428,147.94 = 278,140.35 : x
  2. Step 2: Convert to fraction form
    952,009.73/1,428,147.94 = 278,140.35/x
  3. Step 3: Cross multiply
    952,009.73x = 1,428,147.94 × 278,140.35
  4. Step 4: Simplify right side
    952,009.73x = 397,225,567,883.38
  5. Step 5: Solve for x
    x = 397,225,567,883.38/952,009.73
  6. Step 6: Final answer
    x = 417,249.48

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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.