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Finding the Fourth Proportional to 545,062.56, 752,221.56 and 303,344.32

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Solution

The fourth proportional to 545,062.56, 752,221.56 and 303,344.32 is: 418,634.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,062.56 : 752,221.56 = 303,344.32 : x
  2. Step 2: Convert to fraction form
    545,062.56/752,221.56 = 303,344.32/x
  3. Step 3: Cross multiply
    545,062.56x = 752,221.56 × 303,344.32
  4. Step 4: Simplify right side
    545,062.56x = 228,182,137,607.54
  5. Step 5: Solve for x
    x = 228,182,137,607.54/545,062.56
  6. Step 6: Final answer
    x = 418,634.77

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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.