Home / 497,387.08-686,384.58-271,027.72

Finding the Fourth Proportional to 497,387.08, 686,384.58 and 271,027.72

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Solution

The fourth proportional to 497,387.08, 686,384.58 and 271,027.72 is: 374,013.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,387.08 : 686,384.58 = 271,027.72 : x
  2. Step 2: Convert to fraction form
    497,387.08/686,384.58 = 271,027.72/x
  3. Step 3: Cross multiply
    497,387.08x = 686,384.58 × 271,027.72
  4. Step 4: Simplify right side
    497,387.08x = 186,029,247,760.56
  5. Step 5: Solve for x
    x = 186,029,247,760.56/497,387.08
  6. Step 6: Final answer
    x = 374,013.03

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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.