Home / 839,904.82-1,259,862.01-208,818.63

Finding the Fourth Proportional to 839,904.82, 1,259,862.01 and 208,818.63

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Solution

The fourth proportional to 839,904.82, 1,259,862.01 and 208,818.63 is: 313,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,904.82 : 1,259,862.01 = 208,818.63 : x
  2. Step 2: Convert to fraction form
    839,904.82/1,259,862.01 = 208,818.63/x
  3. Step 3: Cross multiply
    839,904.82x = 1,259,862.01 × 208,818.63
  4. Step 4: Simplify right side
    839,904.82x = 263,082,663,406.83
  5. Step 5: Solve for x
    x = 263,082,663,406.83/839,904.82
  6. Step 6: Final answer
    x = 313,229.14

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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.