Home / 691,491.52-1,036,621.68-271,060.48

Finding the Fourth Proportional to 691,491.52, 1,036,621.68 and 271,060.48

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Solution

The fourth proportional to 691,491.52, 1,036,621.68 and 271,060.48 is: 406,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,491.52 : 1,036,621.68 = 271,060.48 : x
  2. Step 2: Convert to fraction form
    691,491.52/1,036,621.68 = 271,060.48/x
  3. Step 3: Cross multiply
    691,491.52x = 1,036,621.68 × 271,060.48
  4. Step 4: Simplify right side
    691,491.52x = 280,987,170,159.21
  5. Step 5: Solve for x
    x = 280,987,170,159.21/691,491.52
  6. Step 6: Final answer
    x = 406,349.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.