Home / 893,949.54-1,340,894.60-388,511.02

Finding the Fourth Proportional to 893,949.54, 1,340,894.60 and 388,511.02

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Solution

The fourth proportional to 893,949.54, 1,340,894.60 and 388,511.02 is: 582,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,949.54 : 1,340,894.60 = 388,511.02 : x
  2. Step 2: Convert to fraction form
    893,949.54/1,340,894.60 = 388,511.02/x
  3. Step 3: Cross multiply
    893,949.54x = 1,340,894.60 × 388,511.02
  4. Step 4: Simplify right side
    893,949.54x = 520,952,328,758.49
  5. Step 5: Solve for x
    x = 520,952,328,758.49/893,949.54
  6. Step 6: Final answer
    x = 582,753.62

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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.