Home / 938,849.28-1,408,356.84-264,936.48

Finding the Fourth Proportional to 938,849.28, 1,408,356.84 and 264,936.48

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Solution

The fourth proportional to 938,849.28, 1,408,356.84 and 264,936.48 is: 397,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,849.28 : 1,408,356.84 = 264,936.48 : x
  2. Step 2: Convert to fraction form
    938,849.28/1,408,356.84 = 264,936.48/x
  3. Step 3: Cross multiply
    938,849.28x = 1,408,356.84 × 264,936.48
  4. Step 4: Simplify right side
    938,849.28x = 373,125,103,773.52
  5. Step 5: Solve for x
    x = 373,125,103,773.52/938,849.28
  6. Step 6: Final answer
    x = 397,428.12

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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.