Home / 729,389.64-1,094,226.27-280,077.47

Finding the Fourth Proportional to 729,389.64, 1,094,226.27 and 280,077.47

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Solution

The fourth proportional to 729,389.64, 1,094,226.27 and 280,077.47 is: 420,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,389.64 : 1,094,226.27 = 280,077.47 : x
  2. Step 2: Convert to fraction form
    729,389.64/1,094,226.27 = 280,077.47/x
  3. Step 3: Cross multiply
    729,389.64x = 1,094,226.27 × 280,077.47
  4. Step 4: Simplify right side
    729,389.64x = 306,468,125,968.58
  5. Step 5: Solve for x
    x = 306,468,125,968.58/729,389.64
  6. Step 6: Final answer
    x = 420,170.66

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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.