Home / 862,636.80-1,294,195.23-376,361.46

Finding the Fourth Proportional to 862,636.80, 1,294,195.23 and 376,361.46

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Solution

The fourth proportional to 862,636.80, 1,294,195.23 and 376,361.46 is: 564,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,636.80 : 1,294,195.23 = 376,361.46 : x
  2. Step 2: Convert to fraction form
    862,636.80/1,294,195.23 = 376,361.46/x
  3. Step 3: Cross multiply
    862,636.80x = 1,294,195.23 × 376,361.46
  4. Step 4: Simplify right side
    862,636.80x = 487,085,206,287.84
  5. Step 5: Solve for x
    x = 487,085,206,287.84/862,636.80
  6. Step 6: Final answer
    x = 564,646.91

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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.