Home / 858,019.24-1,286,524.16-325,577.71

Finding the Fourth Proportional to 858,019.24, 1,286,524.16 and 325,577.71

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Solution

The fourth proportional to 858,019.24, 1,286,524.16 and 325,577.71 is: 488,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,019.24 : 1,286,524.16 = 325,577.71 : x
  2. Step 2: Convert to fraction form
    858,019.24/1,286,524.16 = 325,577.71/x
  3. Step 3: Cross multiply
    858,019.24x = 1,286,524.16 × 325,577.71
  4. Step 4: Simplify right side
    858,019.24x = 418,863,581,811.96
  5. Step 5: Solve for x
    x = 418,863,581,811.96/858,019.24
  6. Step 6: Final answer
    x = 488,175.05

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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.