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Finding the Fourth Proportional to 476,994.88, 658,175.52 and 275,752

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Solution

The fourth proportional to 476,994.88, 658,175.52 and 275,752 is: 380,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,994.88 : 658,175.52 = 275,752 : x
  2. Step 2: Convert to fraction form
    476,994.88/658,175.52 = 275,752/x
  3. Step 3: Cross multiply
    476,994.88x = 658,175.52 × 275,752
  4. Step 4: Simplify right side
    476,994.88x = 181,493,215,991.04
  5. Step 5: Solve for x
    x = 181,493,215,991.04/476,994.88
  6. Step 6: Final answer
    x = 380,493.01

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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.