Home / 806,258.54-1,112,608.86-443,648.46

Finding the Fourth Proportional to 806,258.54, 1,112,608.86 and 443,648.46

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Solution

The fourth proportional to 806,258.54, 1,112,608.86 and 443,648.46 is: 612,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,258.54 : 1,112,608.86 = 443,648.46 : x
  2. Step 2: Convert to fraction form
    806,258.54/1,112,608.86 = 443,648.46/x
  3. Step 3: Cross multiply
    806,258.54x = 1,112,608.86 × 443,648.46
  4. Step 4: Simplify right side
    806,258.54x = 493,607,207,321.36
  5. Step 5: Solve for x
    x = 493,607,207,321.36/806,258.54
  6. Step 6: Final answer
    x = 612,219.51

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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.