Home / 839,813.06-1,259,936.76-240,818.06

Finding the Fourth Proportional to 839,813.06, 1,259,936.76 and 240,818.06

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Solution

The fourth proportional to 839,813.06, 1,259,936.76 and 240,818.06 is: 361,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,813.06 : 1,259,936.76 = 240,818.06 : x
  2. Step 2: Convert to fraction form
    839,813.06/1,259,936.76 = 240,818.06/x
  3. Step 3: Cross multiply
    839,813.06x = 1,259,936.76 × 240,818.06
  4. Step 4: Simplify right side
    839,813.06x = 303,415,519,966.20
  5. Step 5: Solve for x
    x = 303,415,519,966.20/839,813.06
  6. Step 6: Final answer
    x = 361,289.36

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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.