Home / 728,956.98-1,093,445.28-255,656.16

Finding the Fourth Proportional to 728,956.98, 1,093,445.28 and 255,656.16

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Solution

The fourth proportional to 728,956.98, 1,093,445.28 and 255,656.16 is: 383,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,956.98 : 1,093,445.28 = 255,656.16 : x
  2. Step 2: Convert to fraction form
    728,956.98/1,093,445.28 = 255,656.16/x
  3. Step 3: Cross multiply
    728,956.98x = 1,093,445.28 × 255,656.16
  4. Step 4: Simplify right side
    728,956.98x = 279,546,021,454.93
  5. Step 5: Solve for x
    x = 279,546,021,454.93/728,956.98
  6. Step 6: Final answer
    x = 383,487.68

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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.