Home / 671,836.88-1,007,749.06-272,382.70

Finding the Fourth Proportional to 671,836.88, 1,007,749.06 and 272,382.70

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Solution

The fourth proportional to 671,836.88, 1,007,749.06 and 272,382.70 is: 408,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,836.88 : 1,007,749.06 = 272,382.70 : x
  2. Step 2: Convert to fraction form
    671,836.88/1,007,749.06 = 272,382.70/x
  3. Step 3: Cross multiply
    671,836.88x = 1,007,749.06 × 272,382.70
  4. Step 4: Simplify right side
    671,836.88x = 274,493,403,484.60
  5. Step 5: Solve for x
    x = 274,493,403,484.60/671,836.88
  6. Step 6: Final answer
    x = 408,571.50

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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.