Home / 769,999.82-1,062,730.85-447,896.63

Finding the Fourth Proportional to 769,999.82, 1,062,730.85 and 447,896.63

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Solution

The fourth proportional to 769,999.82, 1,062,730.85 and 447,896.63 is: 618,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,999.82 : 1,062,730.85 = 447,896.63 : x
  2. Step 2: Convert to fraction form
    769,999.82/1,062,730.85 = 447,896.63/x
  3. Step 3: Cross multiply
    769,999.82x = 1,062,730.85 × 447,896.63
  4. Step 4: Simplify right side
    769,999.82x = 475,993,558,758.90
  5. Step 5: Solve for x
    x = 475,993,558,758.90/769,999.82
  6. Step 6: Final answer
    x = 618,173.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.