Home / 887,891.27-1,224,990.11-505,647.41

Finding the Fourth Proportional to 887,891.27, 1,224,990.11 and 505,647.41

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Solution

The fourth proportional to 887,891.27, 1,224,990.11 and 505,647.41 is: 697,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,891.27 : 1,224,990.11 = 505,647.41 : x
  2. Step 2: Convert to fraction form
    887,891.27/1,224,990.11 = 505,647.41/x
  3. Step 3: Cross multiply
    887,891.27x = 1,224,990.11 × 505,647.41
  4. Step 4: Simplify right side
    887,891.27x = 619,413,067,743.93
  5. Step 5: Solve for x
    x = 619,413,067,743.93/887,891.27
  6. Step 6: Final answer
    x = 697,622.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.