Home / 839,825.28-1,259,479.53-240,625.89

Finding the Fourth Proportional to 839,825.28, 1,259,479.53 and 240,625.89

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Solution

The fourth proportional to 839,825.28, 1,259,479.53 and 240,625.89 is: 360,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,825.28 : 1,259,479.53 = 240,625.89 : x
  2. Step 2: Convert to fraction form
    839,825.28/1,259,479.53 = 240,625.89/x
  3. Step 3: Cross multiply
    839,825.28x = 1,259,479.53 × 240,625.89
  4. Step 4: Simplify right side
    839,825.28x = 303,063,382,843.03
  5. Step 5: Solve for x
    x = 303,063,382,843.03/839,825.28
  6. Step 6: Final answer
    x = 360,864.80

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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.