Home / 839,858.78-1,259,417.55-240,683.96

Finding the Fourth Proportional to 839,858.78, 1,259,417.55 and 240,683.96

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Solution

The fourth proportional to 839,858.78, 1,259,417.55 and 240,683.96 is: 360,919.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,858.78 : 1,259,417.55 = 240,683.96 : x
  2. Step 2: Convert to fraction form
    839,858.78/1,259,417.55 = 240,683.96/x
  3. Step 3: Cross multiply
    839,858.78x = 1,259,417.55 × 240,683.96
  4. Step 4: Simplify right side
    839,858.78x = 303,121,603,227.50
  5. Step 5: Solve for x
    x = 303,121,603,227.50/839,858.78
  6. Step 6: Final answer
    x = 360,919.73

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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.