Home / 858,018.36-1,286,522.86-325,576.82

Finding the Fourth Proportional to 858,018.36, 1,286,522.86 and 325,576.82

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Solution

The fourth proportional to 858,018.36, 1,286,522.86 and 325,576.82 is: 488,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,018.36 : 1,286,522.86 = 325,576.82 : x
  2. Step 2: Convert to fraction form
    858,018.36/1,286,522.86 = 325,576.82/x
  3. Step 3: Cross multiply
    858,018.36x = 1,286,522.86 × 325,576.82
  4. Step 4: Simplify right side
    858,018.36x = 418,862,021,616.11
  5. Step 5: Solve for x
    x = 418,862,021,616.11/858,018.36
  6. Step 6: Final answer
    x = 488,173.73

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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.