Home / 858,010.10-1,286,626.35-325,354.10

Finding the Fourth Proportional to 858,010.10, 1,286,626.35 and 325,354.10

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Solution

The fourth proportional to 858,010.10, 1,286,626.35 and 325,354.10 is: 487,883.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,010.10 : 1,286,626.35 = 325,354.10 : x
  2. Step 2: Convert to fraction form
    858,010.10/1,286,626.35 = 325,354.10/x
  3. Step 3: Cross multiply
    858,010.10x = 1,286,626.35 × 325,354.10
  4. Step 4: Simplify right side
    858,010.10x = 418,609,158,140.54
  5. Step 5: Solve for x
    x = 418,609,158,140.54/858,010.10
  6. Step 6: Final answer
    x = 487,883.72

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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.