Home / 804,026.52-1,213,334.91-777,257.64

Finding the Fourth Proportional to 804,026.52, 1,213,334.91 and 777,257.64

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Solution

The fourth proportional to 804,026.52, 1,213,334.91 and 777,257.64 is: 1,172,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,026.52 : 1,213,334.91 = 777,257.64 : x
  2. Step 2: Convert to fraction form
    804,026.52/1,213,334.91 = 777,257.64/x
  3. Step 3: Cross multiply
    804,026.52x = 1,213,334.91 × 777,257.64
  4. Step 4: Simplify right side
    804,026.52x = 943,073,828,676.21
  5. Step 5: Solve for x
    x = 943,073,828,676.21/804,026.52
  6. Step 6: Final answer
    x = 1,172,938.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.