Home / 839,889.82-1,259,839.36-208,803.64

Finding the Fourth Proportional to 839,889.82, 1,259,839.36 and 208,803.64

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Solution

The fourth proportional to 839,889.82, 1,259,839.36 and 208,803.64 is: 313,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,889.82 : 1,259,839.36 = 208,803.64 : x
  2. Step 2: Convert to fraction form
    839,889.82/1,259,839.36 = 208,803.64/x
  3. Step 3: Cross multiply
    839,889.82x = 1,259,839.36 × 208,803.64
  4. Step 4: Simplify right side
    839,889.82x = 263,059,036,840.06
  5. Step 5: Solve for x
    x = 263,059,036,840.06/839,889.82
  6. Step 6: Final answer
    x = 313,206.60

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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.