Home / 855,462.75-1,284,854.90-629,932.47

Finding the Fourth Proportional to 855,462.75, 1,284,854.90 and 629,932.47

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Solution

The fourth proportional to 855,462.75, 1,284,854.90 and 629,932.47 is: 946,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,462.75 : 1,284,854.90 = 629,932.47 : x
  2. Step 2: Convert to fraction form
    855,462.75/1,284,854.90 = 629,932.47/x
  3. Step 3: Cross multiply
    855,462.75x = 1,284,854.90 × 629,932.47
  4. Step 4: Simplify right side
    855,462.75x = 809,371,817,598.94
  5. Step 5: Solve for x
    x = 809,371,817,598.94/855,462.75
  6. Step 6: Final answer
    x = 946,121.64

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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.