Home / 679,733.24-1,019,601.48-206,422.16

Finding the Fourth Proportional to 679,733.24, 1,019,601.48 and 206,422.16

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Solution

The fourth proportional to 679,733.24, 1,019,601.48 and 206,422.16 is: 309,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,733.24 : 1,019,601.48 = 206,422.16 : x
  2. Step 2: Convert to fraction form
    679,733.24/1,019,601.48 = 206,422.16/x
  3. Step 3: Cross multiply
    679,733.24x = 1,019,601.48 × 206,422.16
  4. Step 4: Simplify right side
    679,733.24x = 210,468,339,840.80
  5. Step 5: Solve for x
    x = 210,468,339,840.80/679,733.24
  6. Step 6: Final answer
    x = 309,633.73

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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.