Home / 729,407.07-1,094,252.42-280,094.92

Finding the Fourth Proportional to 729,407.07, 1,094,252.42 and 280,094.92

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Solution

The fourth proportional to 729,407.07, 1,094,252.42 and 280,094.92 is: 420,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,407.07 : 1,094,252.42 = 280,094.92 : x
  2. Step 2: Convert to fraction form
    729,407.07/1,094,252.42 = 280,094.92/x
  3. Step 3: Cross multiply
    729,407.07x = 1,094,252.42 × 280,094.92
  4. Step 4: Simplify right side
    729,407.07x = 306,494,542,004.31
  5. Step 5: Solve for x
    x = 306,494,542,004.31/729,407.07
  6. Step 6: Final answer
    x = 420,196.83

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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.