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Finding the Fourth Proportional to 545,087.08, 752,212.60 and 303,369.60

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Solution

The fourth proportional to 545,087.08, 752,212.60 and 303,369.60 is: 418,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,087.08 : 752,212.60 = 303,369.60 : x
  2. Step 2: Convert to fraction form
    545,087.08/752,212.60 = 303,369.60/x
  3. Step 3: Cross multiply
    545,087.08x = 752,212.60 × 303,369.60
  4. Step 4: Simplify right side
    545,087.08x = 228,198,435,576.96
  5. Step 5: Solve for x
    x = 228,198,435,576.96/545,087.08
  6. Step 6: Final answer
    x = 418,645.83

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1.5x scale

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.