Home / 678,284.45-1,016,652.71-273,217.26

Finding the Fourth Proportional to 678,284.45, 1,016,652.71 and 273,217.26

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Solution

The fourth proportional to 678,284.45, 1,016,652.71 and 273,217.26 is: 409,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,284.45 : 1,016,652.71 = 273,217.26 : x
  2. Step 2: Convert to fraction form
    678,284.45/1,016,652.71 = 273,217.26/x
  3. Step 3: Cross multiply
    678,284.45x = 1,016,652.71 × 273,217.26
  4. Step 4: Simplify right side
    678,284.45x = 277,767,066,431.69
  5. Step 5: Solve for x
    x = 277,767,066,431.69/678,284.45
  6. Step 6: Final answer
    x = 409,514.13

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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.