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Finding the Fourth Proportional to 633,404.88, 949,115.52 and 380,062.80

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Solution

The fourth proportional to 633,404.88, 949,115.52 and 380,062.80 is: 569,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,404.88 : 949,115.52 = 380,062.80 : x
  2. Step 2: Convert to fraction form
    633,404.88/949,115.52 = 380,062.80/x
  3. Step 3: Cross multiply
    633,404.88x = 949,115.52 × 380,062.80
  4. Step 4: Simplify right side
    633,404.88x = 360,723,502,054.66
  5. Step 5: Solve for x
    x = 360,723,502,054.66/633,404.88
  6. Step 6: Final answer
    x = 569,499.09

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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.