Home / 864,082.80-1,297,679.40-627,692.40

Finding the Fourth Proportional to 864,082.80, 1,297,679.40 and 627,692.40

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Solution

The fourth proportional to 864,082.80, 1,297,679.40 and 627,692.40 is: 942,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,082.80 : 1,297,679.40 = 627,692.40 : x
  2. Step 2: Convert to fraction form
    864,082.80/1,297,679.40 = 627,692.40/x
  3. Step 3: Cross multiply
    864,082.80x = 1,297,679.40 × 627,692.40
  4. Step 4: Simplify right side
    864,082.80x = 814,543,497,016.56
  5. Step 5: Solve for x
    x = 814,543,497,016.56/864,082.80
  6. Step 6: Final answer
    x = 942,668.34

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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.