Home / 839,974.24-1,259,966.32-208,888.08

Finding the Fourth Proportional to 839,974.24, 1,259,966.32 and 208,888.08

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Solution

The fourth proportional to 839,974.24, 1,259,966.32 and 208,888.08 is: 313,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,974.24 : 1,259,966.32 = 208,888.08 : x
  2. Step 2: Convert to fraction form
    839,974.24/1,259,966.32 = 208,888.08/x
  3. Step 3: Cross multiply
    839,974.24x = 1,259,966.32 × 208,888.08
  4. Step 4: Simplify right side
    839,974.24x = 263,191,945,449.47
  5. Step 5: Solve for x
    x = 263,191,945,449.47/839,974.24
  6. Step 6: Final answer
    x = 313,333.35

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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.