Home / 858,010.60-1,286,627.10-325,354.60

Finding the Fourth Proportional to 858,010.60, 1,286,627.10 and 325,354.60

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Solution

The fourth proportional to 858,010.60, 1,286,627.10 and 325,354.60 is: 487,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,010.60 : 1,286,627.10 = 325,354.60 : x
  2. Step 2: Convert to fraction form
    858,010.60/1,286,627.10 = 325,354.60/x
  3. Step 3: Cross multiply
    858,010.60x = 1,286,627.10 × 325,354.60
  4. Step 4: Simplify right side
    858,010.60x = 418,610,045,469.66
  5. Step 5: Solve for x
    x = 418,610,045,469.66/858,010.60
  6. Step 6: Final answer
    x = 487,884.47

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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.