Home / 783,405.46-1,175,028-251,308.36

Finding the Fourth Proportional to 783,405.46, 1,175,028 and 251,308.36

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Solution

The fourth proportional to 783,405.46, 1,175,028 and 251,308.36 is: 376,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,405.46 : 1,175,028 = 251,308.36 : x
  2. Step 2: Convert to fraction form
    783,405.46/1,175,028 = 251,308.36/x
  3. Step 3: Cross multiply
    783,405.46x = 1,175,028 × 251,308.36
  4. Step 4: Simplify right side
    783,405.46x = 295,294,359,634.08
  5. Step 5: Solve for x
    x = 295,294,359,634.08/783,405.46
  6. Step 6: Final answer
    x = 376,936.82

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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.