Home / 858,171.60-1,286,868.60-325,515.60

Finding the Fourth Proportional to 858,171.60, 1,286,868.60 and 325,515.60

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Solution

The fourth proportional to 858,171.60, 1,286,868.60 and 325,515.60 is: 488,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,171.60 : 1,286,868.60 = 325,515.60 : x
  2. Step 2: Convert to fraction form
    858,171.60/1,286,868.60 = 325,515.60/x
  3. Step 3: Cross multiply
    858,171.60x = 1,286,868.60 × 325,515.60
  4. Step 4: Simplify right side
    858,171.60x = 418,895,804,450.16
  5. Step 5: Solve for x
    x = 418,895,804,450.16/858,171.60
  6. Step 6: Final answer
    x = 488,125.92

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1.5x scale

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.