Home / 678,787.88-1,018,176-273,973.88

Finding the Fourth Proportional to 678,787.88, 1,018,176 and 273,973.88

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Solution

The fourth proportional to 678,787.88, 1,018,176 and 273,973.88 is: 410,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,787.88 : 1,018,176 = 273,973.88 : x
  2. Step 2: Convert to fraction form
    678,787.88/1,018,176 = 273,973.88/x
  3. Step 3: Cross multiply
    678,787.88x = 1,018,176 × 273,973.88
  4. Step 4: Simplify right side
    678,787.88x = 278,953,629,242.88
  5. Step 5: Solve for x
    x = 278,953,629,242.88/678,787.88
  6. Step 6: Final answer
    x = 410,958.47

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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.