Home / 465,941.32-642,736.29-279,625.15

Finding the Fourth Proportional to 465,941.32, 642,736.29 and 279,625.15

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Solution

The fourth proportional to 465,941.32, 642,736.29 and 279,625.15 is: 385,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,941.32 : 642,736.29 = 279,625.15 : x
  2. Step 2: Convert to fraction form
    465,941.32/642,736.29 = 279,625.15/x
  3. Step 3: Cross multiply
    465,941.32x = 642,736.29 × 279,625.15
  4. Step 4: Simplify right side
    465,941.32x = 179,725,231,663.42
  5. Step 5: Solve for x
    x = 179,725,231,663.42/465,941.32
  6. Step 6: Final answer
    x = 385,725.04

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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.