Home / 839,411.64-1,259,297.37-270,825.12

Finding the Fourth Proportional to 839,411.64, 1,259,297.37 and 270,825.12

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Solution

The fourth proportional to 839,411.64, 1,259,297.37 and 270,825.12 is: 406,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,411.64 : 1,259,297.37 = 270,825.12 : x
  2. Step 2: Convert to fraction form
    839,411.64/1,259,297.37 = 270,825.12/x
  3. Step 3: Cross multiply
    839,411.64x = 1,259,297.37 × 270,825.12
  4. Step 4: Simplify right side
    839,411.64x = 341,049,361,345.93
  5. Step 5: Solve for x
    x = 341,049,361,345.93/839,411.64
  6. Step 6: Final answer
    x = 406,295.73

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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.