Home / 729,672.80-1,094,618.64-256,274.72

Finding the Fourth Proportional to 729,672.80, 1,094,618.64 and 256,274.72

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Solution

The fourth proportional to 729,672.80, 1,094,618.64 and 256,274.72 is: 384,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,672.80 : 1,094,618.64 = 256,274.72 : x
  2. Step 2: Convert to fraction form
    729,672.80/1,094,618.64 = 256,274.72/x
  3. Step 3: Cross multiply
    729,672.80x = 1,094,618.64 × 256,274.72
  4. Step 4: Simplify right side
    729,672.80x = 280,523,085,472.78
  5. Step 5: Solve for x
    x = 280,523,085,472.78/729,672.80
  6. Step 6: Final answer
    x = 384,450.52

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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.