Home / 497,530.72-686,574.12-271,171.36

Finding the Fourth Proportional to 497,530.72, 686,574.12 and 271,171.36

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Solution

The fourth proportional to 497,530.72, 686,574.12 and 271,171.36 is: 374,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,530.72 : 686,574.12 = 271,171.36 : x
  2. Step 2: Convert to fraction form
    497,530.72/686,574.12 = 271,171.36/x
  3. Step 3: Cross multiply
    497,530.72x = 686,574.12 × 271,171.36
  4. Step 4: Simplify right side
    497,530.72x = 186,179,237,861.20
  5. Step 5: Solve for x
    x = 186,179,237,861.20/497,530.72
  6. Step 6: Final answer
    x = 374,206.52

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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.