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Finding the Fourth Proportional to 545,052.46, 752,207.76 and 303,334.32

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Solution

The fourth proportional to 545,052.46, 752,207.76 and 303,334.32 is: 418,621.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,052.46 : 752,207.76 = 303,334.32 : x
  2. Step 2: Convert to fraction form
    545,052.46/752,207.76 = 303,334.32/x
  3. Step 3: Cross multiply
    545,052.46x = 752,207.76 × 303,334.32
  4. Step 4: Simplify right side
    545,052.46x = 228,170,429,378.32
  5. Step 5: Solve for x
    x = 228,170,429,378.32/545,052.46
  6. Step 6: Final answer
    x = 418,621.04

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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.