Home / 806,460.08-1,112,906.09-443,876.13

Finding the Fourth Proportional to 806,460.08, 1,112,906.09 and 443,876.13

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Solution

The fourth proportional to 806,460.08, 1,112,906.09 and 443,876.13 is: 612,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,460.08 : 1,112,906.09 = 443,876.13 : x
  2. Step 2: Convert to fraction form
    806,460.08/1,112,906.09 = 443,876.13/x
  3. Step 3: Cross multiply
    806,460.08x = 1,112,906.09 × 443,876.13
  4. Step 4: Simplify right side
    806,460.08x = 493,992,449,392.32
  5. Step 5: Solve for x
    x = 493,992,449,392.32/806,460.08
  6. Step 6: Final answer
    x = 612,544.21

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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.