Home / 806,286.83-1,209,617.28-273,808.35

Finding the Fourth Proportional to 806,286.83, 1,209,617.28 and 273,808.35

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Solution

The fourth proportional to 806,286.83, 1,209,617.28 and 273,808.35 is: 410,776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,286.83 : 1,209,617.28 = 273,808.35 : x
  2. Step 2: Convert to fraction form
    806,286.83/1,209,617.28 = 273,808.35/x
  3. Step 3: Cross multiply
    806,286.83x = 1,209,617.28 × 273,808.35
  4. Step 4: Simplify right side
    806,286.83x = 331,203,311,568.29
  5. Step 5: Solve for x
    x = 331,203,311,568.29/806,286.83
  6. Step 6: Final answer
    x = 410,776.04

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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.