Home / 921,159.20-1,383,164.40-501,255.20

Finding the Fourth Proportional to 921,159.20, 1,383,164.40 and 501,255.20

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Solution

The fourth proportional to 921,159.20, 1,383,164.40 and 501,255.20 is: 752,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,159.20 : 1,383,164.40 = 501,255.20 : x
  2. Step 2: Convert to fraction form
    921,159.20/1,383,164.40 = 501,255.20/x
  3. Step 3: Cross multiply
    921,159.20x = 1,383,164.40 × 501,255.20
  4. Step 4: Simplify right side
    921,159.20x = 693,318,347,954.88
  5. Step 5: Solve for x
    x = 693,318,347,954.88/921,159.20
  6. Step 6: Final answer
    x = 752,658.55

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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.