Home / 497,457-686,495.52-271,107.36

Finding the Fourth Proportional to 497,457, 686,495.52 and 271,107.36

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Solution

The fourth proportional to 497,457, 686,495.52 and 271,107.36 is: 374,130.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,457 : 686,495.52 = 271,107.36 : x
  2. Step 2: Convert to fraction form
    497,457/686,495.52 = 271,107.36/x
  3. Step 3: Cross multiply
    497,457x = 686,495.52 × 271,107.36
  4. Step 4: Simplify right side
    497,457x = 186,113,988,079.03
  5. Step 5: Solve for x
    x = 186,113,988,079.03/497,457
  6. Step 6: Final answer
    x = 374,130.81

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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.