Home / 893,944.94-1,340,887.33-388,505.98

Finding the Fourth Proportional to 893,944.94, 1,340,887.33 and 388,505.98

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Solution

The fourth proportional to 893,944.94, 1,340,887.33 and 388,505.98 is: 582,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,944.94 : 1,340,887.33 = 388,505.98 : x
  2. Step 2: Convert to fraction form
    893,944.94/1,340,887.33 = 388,505.98/x
  3. Step 3: Cross multiply
    893,944.94x = 1,340,887.33 × 388,505.98
  4. Step 4: Simplify right side
    893,944.94x = 520,942,745,694.40
  5. Step 5: Solve for x
    x = 520,942,745,694.40/893,944.94
  6. Step 6: Final answer
    x = 582,745.89

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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.