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Finding the Fourth Proportional to 545,195.40, 752,391.75 and 303,462.64

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Solution

The fourth proportional to 545,195.40, 752,391.75 and 303,462.64 is: 418,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,195.40 : 752,391.75 = 303,462.64 : x
  2. Step 2: Convert to fraction form
    545,195.40/752,391.75 = 303,462.64/x
  3. Step 3: Cross multiply
    545,195.40x = 752,391.75 × 303,462.64
  4. Step 4: Simplify right side
    545,195.40x = 228,322,786,769.22
  5. Step 5: Solve for x
    x = 228,322,786,769.22/545,195.40
  6. Step 6: Final answer
    x = 418,790.74

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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.