Home / 421,826.75-582,146.62-240,573.66

Finding the Fourth Proportional to 421,826.75, 582,146.62 and 240,573.66

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Solution

The fourth proportional to 421,826.75, 582,146.62 and 240,573.66 is: 332,006.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,826.75 : 582,146.62 = 240,573.66 : x
  2. Step 2: Convert to fraction form
    421,826.75/582,146.62 = 240,573.66/x
  3. Step 3: Cross multiply
    421,826.75x = 582,146.62 × 240,573.66
  4. Step 4: Simplify right side
    421,826.75x = 140,049,143,030.03
  5. Step 5: Solve for x
    x = 140,049,143,030.03/421,826.75
  6. Step 6: Final answer
    x = 332,006.31

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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.