Home / 857,398.38-1,285,972.36-250,023.49

Finding the Fourth Proportional to 857,398.38, 1,285,972.36 and 250,023.49

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Solution

The fourth proportional to 857,398.38, 1,285,972.36 and 250,023.49 is: 374,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,398.38 : 1,285,972.36 = 250,023.49 : x
  2. Step 2: Convert to fraction form
    857,398.38/1,285,972.36 = 250,023.49/x
  3. Step 3: Cross multiply
    857,398.38x = 1,285,972.36 × 250,023.49
  4. Step 4: Simplify right side
    857,398.38x = 321,523,292,922.33
  5. Step 5: Solve for x
    x = 321,523,292,922.33/857,398.38
  6. Step 6: Final answer
    x = 374,998.72

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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.