Home / 839,828.78-1,259,484.78-240,629.39

Finding the Fourth Proportional to 839,828.78, 1,259,484.78 and 240,629.39

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Solution

The fourth proportional to 839,828.78, 1,259,484.78 and 240,629.39 is: 360,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,828.78 : 1,259,484.78 = 240,629.39 : x
  2. Step 2: Convert to fraction form
    839,828.78/1,259,484.78 = 240,629.39/x
  3. Step 3: Cross multiply
    839,828.78x = 1,259,484.78 × 240,629.39
  4. Step 4: Simplify right side
    839,828.78x = 303,069,054,325.68
  5. Step 5: Solve for x
    x = 303,069,054,325.68/839,828.78
  6. Step 6: Final answer
    x = 360,870.05

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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.