Home / 938,775.94-1,408,273.89-298,855.48

Finding the Fourth Proportional to 938,775.94, 1,408,273.89 and 298,855.48

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Solution

The fourth proportional to 938,775.94, 1,408,273.89 and 298,855.48 is: 448,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,775.94 : 1,408,273.89 = 298,855.48 : x
  2. Step 2: Convert to fraction form
    938,775.94/1,408,273.89 = 298,855.48/x
  3. Step 3: Cross multiply
    938,775.94x = 1,408,273.89 × 298,855.48
  4. Step 4: Simplify right side
    938,775.94x = 420,870,369,367.42
  5. Step 5: Solve for x
    x = 420,870,369,367.42/938,775.94
  6. Step 6: Final answer
    x = 448,318.23

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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.