Home / 804,999.20-1,112,032.80-762,483.92

Finding the Fourth Proportional to 804,999.20, 1,112,032.80 and 762,483.92

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Solution

The fourth proportional to 804,999.20, 1,112,032.80 and 762,483.92 is: 1,053,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,999.20 : 1,112,032.80 = 762,483.92 : x
  2. Step 2: Convert to fraction form
    804,999.20/1,112,032.80 = 762,483.92/x
  3. Step 3: Cross multiply
    804,999.20x = 1,112,032.80 × 762,483.92
  4. Step 4: Simplify right side
    804,999.20x = 847,907,128,512.58
  5. Step 5: Solve for x
    x = 847,907,128,512.58/804,999.20
  6. Step 6: Final answer
    x = 1,053,301.83

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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.