Home / 839,855.34-1,259,412.39-240,680.52

Finding the Fourth Proportional to 839,855.34, 1,259,412.39 and 240,680.52

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Solution

The fourth proportional to 839,855.34, 1,259,412.39 and 240,680.52 is: 360,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,855.34 : 1,259,412.39 = 240,680.52 : x
  2. Step 2: Convert to fraction form
    839,855.34/1,259,412.39 = 240,680.52/x
  3. Step 3: Cross multiply
    839,855.34x = 1,259,412.39 × 240,680.52
  4. Step 4: Simplify right side
    839,855.34x = 303,116,028,919.64
  5. Step 5: Solve for x
    x = 303,116,028,919.64/839,855.34
  6. Step 6: Final answer
    x = 360,914.57

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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.