Home / 527,297.40-790,983.05-211,754.27

Finding the Fourth Proportional to 527,297.40, 790,983.05 and 211,754.27

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Solution

The fourth proportional to 527,297.40, 790,983.05 and 211,754.27 is: 317,646.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,297.40 : 790,983.05 = 211,754.27 : x
  2. Step 2: Convert to fraction form
    527,297.40/790,983.05 = 211,754.27/x
  3. Step 3: Cross multiply
    527,297.40x = 790,983.05 × 211,754.27
  4. Step 4: Simplify right side
    527,297.40x = 167,494,033,321.44
  5. Step 5: Solve for x
    x = 167,494,033,321.44/527,297.40
  6. Step 6: Final answer
    x = 317,646.23

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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.