Home / 858,013.10-1,286,515.00-325,571.55

Finding the Fourth Proportional to 858,013.10, 1,286,515.00 and 325,571.55

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Solution

The fourth proportional to 858,013.10, 1,286,515.00 and 325,571.55 is: 488,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,013.10 : 1,286,515.00 = 325,571.55 : x
  2. Step 2: Convert to fraction form
    858,013.10/1,286,515.00 = 325,571.55/x
  3. Step 3: Cross multiply
    858,013.10x = 1,286,515.00 × 325,571.55
  4. Step 4: Simplify right side
    858,013.10x = 418,852,681,834.32
  5. Step 5: Solve for x
    x = 418,852,681,834.32/858,013.10
  6. Step 6: Final answer
    x = 488,165.83

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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.