Home / 839,441.80-1,259,342.66-270,855.46

Finding the Fourth Proportional to 839,441.80, 1,259,342.66 and 270,855.46

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Solution

The fourth proportional to 839,441.80, 1,259,342.66 and 270,855.46 is: 406,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,441.80 : 1,259,342.66 = 270,855.46 : x
  2. Step 2: Convert to fraction form
    839,441.80/1,259,342.66 = 270,855.46/x
  3. Step 3: Cross multiply
    839,441.80x = 1,259,342.66 × 270,855.46
  4. Step 4: Simplify right side
    839,441.80x = 341,099,835,471.92
  5. Step 5: Solve for x
    x = 341,099,835,471.92/839,441.80
  6. Step 6: Final answer
    x = 406,341.26

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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.