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Finding the Fourth Proportional to 804,372.88, 1,206,714.84 and 305,698

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Solution

The fourth proportional to 804,372.88, 1,206,714.84 and 305,698 is: 458,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,372.88 : 1,206,714.84 = 305,698 : x
  2. Step 2: Convert to fraction form
    804,372.88/1,206,714.84 = 305,698/x
  3. Step 3: Cross multiply
    804,372.88x = 1,206,714.84 × 305,698
  4. Step 4: Simplify right side
    804,372.88x = 368,890,313,158.32
  5. Step 5: Solve for x
    x = 368,890,313,158.32/804,372.88
  6. Step 6: Final answer
    x = 458,606.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.