Home / 479,217.60-661,318.83-264,381.30

Finding the Fourth Proportional to 479,217.60, 661,318.83 and 264,381.30

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Solution

The fourth proportional to 479,217.60, 661,318.83 and 264,381.30 is: 364,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,217.60 : 661,318.83 = 264,381.30 : x
  2. Step 2: Convert to fraction form
    479,217.60/661,318.83 = 264,381.30/x
  3. Step 3: Cross multiply
    479,217.60x = 661,318.83 × 264,381.30
  4. Step 4: Simplify right side
    479,217.60x = 174,840,331,989.88
  5. Step 5: Solve for x
    x = 174,840,331,989.88/479,217.60
  6. Step 6: Final answer
    x = 364,845.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.