Home / 873,986.40-1,311,022.80-454,082.40

Finding the Fourth Proportional to 873,986.40, 1,311,022.80 and 454,082.40

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Solution

The fourth proportional to 873,986.40, 1,311,022.80 and 454,082.40 is: 681,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,986.40 : 1,311,022.80 = 454,082.40 : x
  2. Step 2: Convert to fraction form
    873,986.40/1,311,022.80 = 454,082.40/x
  3. Step 3: Cross multiply
    873,986.40x = 1,311,022.80 × 454,082.40
  4. Step 4: Simplify right side
    873,986.40x = 595,312,379,478.72
  5. Step 5: Solve for x
    x = 595,312,379,478.72/873,986.40
  6. Step 6: Final answer
    x = 681,146.04

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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.