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Finding the Fourth Proportional to 577,800.75, 865,991.28 and 324,548.89

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Solution

The fourth proportional to 577,800.75, 865,991.28 and 324,548.89 is: 486,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,800.75 : 865,991.28 = 324,548.89 : x
  2. Step 2: Convert to fraction form
    577,800.75/865,991.28 = 324,548.89/x
  3. Step 3: Cross multiply
    577,800.75x = 865,991.28 × 324,548.89
  4. Step 4: Simplify right side
    577,800.75x = 281,056,508,673.68
  5. Step 5: Solve for x
    x = 281,056,508,673.68/577,800.75
  6. Step 6: Final answer
    x = 486,424.62

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1.5x scale

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.