Home / 957,093.76-1,436,239.20-388,474.84

Finding the Fourth Proportional to 957,093.76, 1,436,239.20 and 388,474.84

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Solution

The fourth proportional to 957,093.76, 1,436,239.20 and 388,474.84 is: 582,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,093.76 : 1,436,239.20 = 388,474.84 : x
  2. Step 2: Convert to fraction form
    957,093.76/1,436,239.20 = 388,474.84/x
  3. Step 3: Cross multiply
    957,093.76x = 1,436,239.20 × 388,474.84
  4. Step 4: Simplify right side
    957,093.76x = 557,942,793,421.73
  5. Step 5: Solve for x
    x = 557,942,793,421.73/957,093.76
  6. Step 6: Final answer
    x = 582,955.21

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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.