Home / 858,684.30-1,184,168.31-625,899.66

Finding the Fourth Proportional to 858,684.30, 1,184,168.31 and 625,899.66

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Solution

The fourth proportional to 858,684.30, 1,184,168.31 and 625,899.66 is: 863,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,684.30 : 1,184,168.31 = 625,899.66 : x
  2. Step 2: Convert to fraction form
    858,684.30/1,184,168.31 = 625,899.66/x
  3. Step 3: Cross multiply
    858,684.30x = 1,184,168.31 × 625,899.66
  4. Step 4: Simplify right side
    858,684.30x = 741,170,542,611.78
  5. Step 5: Solve for x
    x = 741,170,542,611.78/858,684.30
  6. Step 6: Final answer
    x = 863,146.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.