Home / 545,131.80-752,274.27-303,414.44

Finding the Fourth Proportional to 545,131.80, 752,274.27 and 303,414.44

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Solution

The fourth proportional to 545,131.80, 752,274.27 and 303,414.44 is: 418,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,131.80 : 752,274.27 = 303,414.44 : x
  2. Step 2: Convert to fraction form
    545,131.80/752,274.27 = 303,414.44/x
  3. Step 3: Cross multiply
    545,131.80x = 752,274.27 × 303,414.44
  4. Step 4: Simplify right side
    545,131.80x = 228,250,872,597.09
  5. Step 5: Solve for x
    x = 228,250,872,597.09/545,131.80
  6. Step 6: Final answer
    x = 418,707.68

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Double scale
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Similar ratio
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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.