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Finding the Fourth Proportional to 504,407.89, 755,770.83 and 414,727.21

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Solution

The fourth proportional to 504,407.89, 755,770.83 and 414,727.21 is: 621,399.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,407.89 : 755,770.83 = 414,727.21 : x
  2. Step 2: Convert to fraction form
    504,407.89/755,770.83 = 414,727.21/x
  3. Step 3: Cross multiply
    504,407.89x = 755,770.83 × 414,727.21
  4. Step 4: Simplify right side
    504,407.89x = 313,438,727,725.28
  5. Step 5: Solve for x
    x = 313,438,727,725.28/504,407.89
  6. Step 6: Final answer
    x = 621,399.34

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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.