Home / 671,836.94-1,007,749.14-272,382.74

Finding the Fourth Proportional to 671,836.94, 1,007,749.14 and 272,382.74

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Solution

The fourth proportional to 671,836.94, 1,007,749.14 and 272,382.74 is: 408,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,836.94 : 1,007,749.14 = 272,382.74 : x
  2. Step 2: Convert to fraction form
    671,836.94/1,007,749.14 = 272,382.74/x
  3. Step 3: Cross multiply
    671,836.94x = 1,007,749.14 × 272,382.74
  4. Step 4: Simplify right side
    671,836.94x = 274,493,466,947.10
  5. Step 5: Solve for x
    x = 274,493,466,947.10/671,836.94
  6. Step 6: Final answer
    x = 408,571.56

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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.