Home / 741,639.26-1,111,799.13-268,219.36

Finding the Fourth Proportional to 741,639.26, 1,111,799.13 and 268,219.36

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Solution

The fourth proportional to 741,639.26, 1,111,799.13 and 268,219.36 is: 402,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,639.26 : 1,111,799.13 = 268,219.36 : x
  2. Step 2: Convert to fraction form
    741,639.26/1,111,799.13 = 268,219.36/x
  3. Step 3: Cross multiply
    741,639.26x = 1,111,799.13 × 268,219.36
  4. Step 4: Simplify right side
    741,639.26x = 298,206,051,097.16
  5. Step 5: Solve for x
    x = 298,206,051,097.16/741,639.26
  6. Step 6: Final answer
    x = 402,090.43

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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.