Home / 729,104.90-1,093,657.35-255,619.40

Finding the Fourth Proportional to 729,104.90, 1,093,657.35 and 255,619.40

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Solution

The fourth proportional to 729,104.90, 1,093,657.35 and 255,619.40 is: 383,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,104.90 : 1,093,657.35 = 255,619.40 : x
  2. Step 2: Convert to fraction form
    729,104.90/1,093,657.35 = 255,619.40/x
  3. Step 3: Cross multiply
    729,104.90x = 1,093,657.35 × 255,619.40
  4. Step 4: Simplify right side
    729,104.90x = 279,560,035,612.59
  5. Step 5: Solve for x
    x = 279,560,035,612.59/729,104.90
  6. Step 6: Final answer
    x = 383,429.10

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Similar ratio
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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.