Home / 724,992.21-1,087,499.25-251,692.61

Finding the Fourth Proportional to 724,992.21, 1,087,499.25 and 251,692.61

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Solution

The fourth proportional to 724,992.21, 1,087,499.25 and 251,692.61 is: 377,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,992.21 : 1,087,499.25 = 251,692.61 : x
  2. Step 2: Convert to fraction form
    724,992.21/1,087,499.25 = 251,692.61/x
  3. Step 3: Cross multiply
    724,992.21x = 1,087,499.25 × 251,692.61
  4. Step 4: Simplify right side
    724,992.21x = 273,715,519,168.05
  5. Step 5: Solve for x
    x = 273,715,519,168.05/724,992.21
  6. Step 6: Final answer
    x = 377,542.70

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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.