Home / 729,409.32-1,094,255.80-280,097.17

Finding the Fourth Proportional to 729,409.32, 1,094,255.80 and 280,097.17

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Solution

The fourth proportional to 729,409.32, 1,094,255.80 and 280,097.17 is: 420,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,409.32 : 1,094,255.80 = 280,097.17 : x
  2. Step 2: Convert to fraction form
    729,409.32/1,094,255.80 = 280,097.17/x
  3. Step 3: Cross multiply
    729,409.32x = 1,094,255.80 × 280,097.17
  4. Step 4: Simplify right side
    729,409.32x = 306,497,949,400.20
  5. Step 5: Solve for x
    x = 306,497,949,400.20/729,409.32
  6. Step 6: Final answer
    x = 420,200.21

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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.