Home / 433,717.62-651,320.91-266,221.50

Finding the Fourth Proportional to 433,717.62, 651,320.91 and 266,221.50

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Solution

The fourth proportional to 433,717.62, 651,320.91 and 266,221.50 is: 399,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,717.62 : 651,320.91 = 266,221.50 : x
  2. Step 2: Convert to fraction form
    433,717.62/651,320.91 = 266,221.50/x
  3. Step 3: Cross multiply
    433,717.62x = 651,320.91 × 266,221.50
  4. Step 4: Simplify right side
    433,717.62x = 173,395,629,641.57
  5. Step 5: Solve for x
    x = 173,395,629,641.57/433,717.62
  6. Step 6: Final answer
    x = 399,789.22

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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.