Home / 421,960.26-582,305.76-230,985.72

Finding the Fourth Proportional to 421,960.26, 582,305.76 and 230,985.72

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Solution

The fourth proportional to 421,960.26, 582,305.76 and 230,985.72 is: 318,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,960.26 : 582,305.76 = 230,985.72 : x
  2. Step 2: Convert to fraction form
    421,960.26/582,305.76 = 230,985.72/x
  3. Step 3: Cross multiply
    421,960.26x = 582,305.76 × 230,985.72
  4. Step 4: Simplify right side
    421,960.26x = 134,504,315,233.75
  5. Step 5: Solve for x
    x = 134,504,315,233.75/421,960.26
  6. Step 6: Final answer
    x = 318,760.62

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1.5x scale

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.