Home / 324,510.12-486,765.57-84,623.82

Finding the Fourth Proportional to 324,510.12, 486,765.57 and 84,623.82

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Solution

The fourth proportional to 324,510.12, 486,765.57 and 84,623.82 is: 126,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,510.12 : 486,765.57 = 84,623.82 : x
  2. Step 2: Convert to fraction form
    324,510.12/486,765.57 = 84,623.82/x
  3. Step 3: Cross multiply
    324,510.12x = 486,765.57 × 84,623.82
  4. Step 4: Simplify right side
    324,510.12x = 41,191,961,977.88
  5. Step 5: Solve for x
    x = 41,191,961,977.88/324,510.12
  6. Step 6: Final answer
    x = 126,935.83

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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.