Home / 678,082.10-1,016,475.15-251,503.70

Finding the Fourth Proportional to 678,082.10, 1,016,475.15 and 251,503.70

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Solution

The fourth proportional to 678,082.10, 1,016,475.15 and 251,503.70 is: 377,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,082.10 : 1,016,475.15 = 251,503.70 : x
  2. Step 2: Convert to fraction form
    678,082.10/1,016,475.15 = 251,503.70/x
  3. Step 3: Cross multiply
    678,082.10x = 1,016,475.15 × 251,503.70
  4. Step 4: Simplify right side
    678,082.10x = 255,647,261,183.06
  5. Step 5: Solve for x
    x = 255,647,261,183.06/678,082.10
  6. Step 6: Final answer
    x = 377,015.20

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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.