Home / 830,258.30-1,245,562.41-269,249.06

Finding the Fourth Proportional to 830,258.30, 1,245,562.41 and 269,249.06

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Solution

The fourth proportional to 830,258.30, 1,245,562.41 and 269,249.06 is: 403,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,258.30 : 1,245,562.41 = 269,249.06 : x
  2. Step 2: Convert to fraction form
    830,258.30/1,245,562.41 = 269,249.06/x
  3. Step 3: Cross multiply
    830,258.30x = 1,245,562.41 × 269,249.06
  4. Step 4: Simplify right side
    830,258.30x = 335,366,512,187.43
  5. Step 5: Solve for x
    x = 335,366,512,187.43/830,258.30
  6. Step 6: Final answer
    x = 403,930.33

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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.