Home / 869,821.94-1,304,920.29-262,559.38

Finding the Fourth Proportional to 869,821.94, 1,304,920.29 and 262,559.38

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Solution

The fourth proportional to 869,821.94, 1,304,920.29 and 262,559.38 is: 393,895.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,821.94 : 1,304,920.29 = 262,559.38 : x
  2. Step 2: Convert to fraction form
    869,821.94/1,304,920.29 = 262,559.38/x
  3. Step 3: Cross multiply
    869,821.94x = 1,304,920.29 × 262,559.38
  4. Step 4: Simplify right side
    869,821.94x = 342,619,062,291.82
  5. Step 5: Solve for x
    x = 342,619,062,291.82/869,821.94
  6. Step 6: Final answer
    x = 393,895.63

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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.