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Finding the Fourth Proportional to 497,726.84, 686,863.73 and 271,372.34

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Solution

The fourth proportional to 497,726.84, 686,863.73 and 271,372.34 is: 374,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,726.84 : 686,863.73 = 271,372.34 : x
  2. Step 2: Convert to fraction form
    497,726.84/686,863.73 = 271,372.34/x
  3. Step 3: Cross multiply
    497,726.84x = 686,863.73 × 271,372.34
  4. Step 4: Simplify right side
    497,726.84x = 186,395,820,066.82
  5. Step 5: Solve for x
    x = 186,395,820,066.82/497,726.84
  6. Step 6: Final answer
    x = 374,494.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.