Home / 928,319.40-1,392,550.92-395,843.76

Finding the Fourth Proportional to 928,319.40, 1,392,550.92 and 395,843.76

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Solution

The fourth proportional to 928,319.40, 1,392,550.92 and 395,843.76 is: 593,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,319.40 : 1,392,550.92 = 395,843.76 : x
  2. Step 2: Convert to fraction form
    928,319.40/1,392,550.92 = 395,843.76/x
  3. Step 3: Cross multiply
    928,319.40x = 1,392,550.92 × 395,843.76
  4. Step 4: Simplify right side
    928,319.40x = 551,232,592,164.26
  5. Step 5: Solve for x
    x = 551,232,592,164.26/928,319.40
  6. Step 6: Final answer
    x = 593,796.26

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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.