Home / 938,815.36-1,408,801.25-370,099.69

Finding the Fourth Proportional to 938,815.36, 1,408,801.25 and 370,099.69

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Solution

The fourth proportional to 938,815.36, 1,408,801.25 and 370,099.69 is: 555,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,815.36 : 1,408,801.25 = 370,099.69 : x
  2. Step 2: Convert to fraction form
    938,815.36/1,408,801.25 = 370,099.69/x
  3. Step 3: Cross multiply
    938,815.36x = 1,408,801.25 × 370,099.69
  4. Step 4: Simplify right side
    938,815.36x = 521,396,904,046.11
  5. Step 5: Solve for x
    x = 521,396,904,046.11/938,815.36
  6. Step 6: Final answer
    x = 555,377.47

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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.