Home / 671,960.00-1,005,571.21-419,358.77

Finding the Fourth Proportional to 671,960.00, 1,005,571.21 and 419,358.77

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Solution

The fourth proportional to 671,960.00, 1,005,571.21 and 419,358.77 is: 627,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,960.00 : 1,005,571.21 = 419,358.77 : x
  2. Step 2: Convert to fraction form
    671,960.00/1,005,571.21 = 419,358.77/x
  3. Step 3: Cross multiply
    671,960.00x = 1,005,571.21 × 419,358.77
  4. Step 4: Simplify right side
    671,960.00x = 421,695,104,253.95
  5. Step 5: Solve for x
    x = 421,695,104,253.95/671,960.00
  6. Step 6: Final answer
    x = 627,559.83

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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.