Home / 839,857.32-1,259,415.37-240,682.50

Finding the Fourth Proportional to 839,857.32, 1,259,415.37 and 240,682.50

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Solution

The fourth proportional to 839,857.32, 1,259,415.37 and 240,682.50 is: 360,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,857.32 : 1,259,415.37 = 240,682.50 : x
  2. Step 2: Convert to fraction form
    839,857.32/1,259,415.37 = 240,682.50/x
  3. Step 3: Cross multiply
    839,857.32x = 1,259,415.37 × 240,682.50
  4. Step 4: Simplify right side
    839,857.32x = 303,119,239,790.03
  5. Step 5: Solve for x
    x = 303,119,239,790.03/839,857.32
  6. Step 6: Final answer
    x = 360,917.54

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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.