Home / 466,678.44-643,847.82-305,625.33

Finding the Fourth Proportional to 466,678.44, 643,847.82 and 305,625.33

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Solution

The fourth proportional to 466,678.44, 643,847.82 and 305,625.33 is: 421,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,678.44 : 643,847.82 = 305,625.33 : x
  2. Step 2: Convert to fraction form
    466,678.44/643,847.82 = 305,625.33/x
  3. Step 3: Cross multiply
    466,678.44x = 643,847.82 × 305,625.33
  4. Step 4: Simplify right side
    466,678.44x = 196,776,202,457.28
  5. Step 5: Solve for x
    x = 196,776,202,457.28/466,678.44
  6. Step 6: Final answer
    x = 421,652.65

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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.