Home / 677,932.29-1,016,499.74-257,237.73

Finding the Fourth Proportional to 677,932.29, 1,016,499.74 and 257,237.73

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Solution

The fourth proportional to 677,932.29, 1,016,499.74 and 257,237.73 is: 385,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,932.29 : 1,016,499.74 = 257,237.73 : x
  2. Step 2: Convert to fraction form
    677,932.29/1,016,499.74 = 257,237.73/x
  3. Step 3: Cross multiply
    677,932.29x = 1,016,499.74 × 257,237.73
  4. Step 4: Simplify right side
    677,932.29x = 261,482,084,377.00
  5. Step 5: Solve for x
    x = 261,482,084,377.00/677,932.29
  6. Step 6: Final answer
    x = 385,705.31

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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.