Home / 839,496.80-1,258,873.68-240,321.44

Finding the Fourth Proportional to 839,496.80, 1,258,873.68 and 240,321.44

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Solution

The fourth proportional to 839,496.80, 1,258,873.68 and 240,321.44 is: 360,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,496.80 : 1,258,873.68 = 240,321.44 : x
  2. Step 2: Convert to fraction form
    839,496.80/1,258,873.68 = 240,321.44/x
  3. Step 3: Cross multiply
    839,496.80x = 1,258,873.68 × 240,321.44
  4. Step 4: Simplify right side
    839,496.80x = 302,534,335,555.70
  5. Step 5: Solve for x
    x = 302,534,335,555.70/839,496.80
  6. Step 6: Final answer
    x = 360,375.81

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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.