Home / 501,175.08-691,621.20-271,739.97

Finding the Fourth Proportional to 501,175.08, 691,621.20 and 271,739.97

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Solution

The fourth proportional to 501,175.08, 691,621.20 and 271,739.97 is: 375,000.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,175.08 : 691,621.20 = 271,739.97 : x
  2. Step 2: Convert to fraction form
    501,175.08/691,621.20 = 271,739.97/x
  3. Step 3: Cross multiply
    501,175.08x = 691,621.20 × 271,739.97
  4. Step 4: Simplify right side
    501,175.08x = 187,941,124,139.36
  5. Step 5: Solve for x
    x = 187,941,124,139.36/501,175.08
  6. Step 6: Final answer
    x = 375,000.94

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1.5x scale

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.