Home / 858,013.73-1,286,515.93-325,572.18

Finding the Fourth Proportional to 858,013.73, 1,286,515.93 and 325,572.18

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Solution

The fourth proportional to 858,013.73, 1,286,515.93 and 325,572.18 is: 488,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,013.73 : 1,286,515.93 = 325,572.18 : x
  2. Step 2: Convert to fraction form
    858,013.73/1,286,515.93 = 325,572.18/x
  3. Step 3: Cross multiply
    858,013.73x = 1,286,515.93 × 325,572.18
  4. Step 4: Simplify right side
    858,013.73x = 418,853,795,934.83
  5. Step 5: Solve for x
    x = 418,853,795,934.83/858,013.73
  6. Step 6: Final answer
    x = 488,166.78

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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.