Home / 729,198.78-1,093,047.57-279,799.98

Finding the Fourth Proportional to 729,198.78, 1,093,047.57 and 279,799.98

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Solution

The fourth proportional to 729,198.78, 1,093,047.57 and 279,799.98 is: 419,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,198.78 : 1,093,047.57 = 279,799.98 : x
  2. Step 2: Convert to fraction form
    729,198.78/1,093,047.57 = 279,799.98/x
  3. Step 3: Cross multiply
    729,198.78x = 1,093,047.57 × 279,799.98
  4. Step 4: Simplify right side
    729,198.78x = 305,834,688,225.05
  5. Step 5: Solve for x
    x = 305,834,688,225.05/729,198.78
  6. Step 6: Final answer
    x = 419,411.96

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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.