Home / 848,832-1,272,977.50-280,107.10

Finding the Fourth Proportional to 848,832, 1,272,977.50 and 280,107.10

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Solution

The fourth proportional to 848,832, 1,272,977.50 and 280,107.10 is: 420,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,832 : 1,272,977.50 = 280,107.10 : x
  2. Step 2: Convert to fraction form
    848,832/1,272,977.50 = 280,107.10/x
  3. Step 3: Cross multiply
    848,832x = 1,272,977.50 × 280,107.10
  4. Step 4: Simplify right side
    848,832x = 356,570,035,890.25
  5. Step 5: Solve for x
    x = 356,570,035,890.25/848,832
  6. Step 6: Final answer
    x = 420,071.39

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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.