Home / 806,493.06-1,112,918.08-443,847.61

Finding the Fourth Proportional to 806,493.06, 1,112,918.08 and 443,847.61

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Solution

The fourth proportional to 806,493.06, 1,112,918.08 and 443,847.61 is: 612,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,493.06 : 1,112,918.08 = 443,847.61 : x
  2. Step 2: Convert to fraction form
    806,493.06/1,112,918.08 = 443,847.61/x
  3. Step 3: Cross multiply
    806,493.06x = 1,112,918.08 × 443,847.61
  4. Step 4: Simplify right side
    806,493.06x = 493,966,027,917.45
  5. Step 5: Solve for x
    x = 493,966,027,917.45/806,493.06
  6. Step 6: Final answer
    x = 612,486.39

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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.