Home / 772,127.11-1,158,372.87-266,692.27

Finding the Fourth Proportional to 772,127.11, 1,158,372.87 and 266,692.27

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Solution

The fourth proportional to 772,127.11, 1,158,372.87 and 266,692.27 is: 400,101.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,127.11 : 1,158,372.87 = 266,692.27 : x
  2. Step 2: Convert to fraction form
    772,127.11/1,158,372.87 = 266,692.27/x
  3. Step 3: Cross multiply
    772,127.11x = 1,158,372.87 × 266,692.27
  4. Step 4: Simplify right side
    772,127.11x = 308,929,093,990.78
  5. Step 5: Solve for x
    x = 308,929,093,990.78/772,127.11
  6. Step 6: Final answer
    x = 400,101.34

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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.