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Finding the Fourth Proportional to 545,170.96, 752,335.78 and 303,448.32

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Solution

The fourth proportional to 545,170.96, 752,335.78 and 303,448.32 is: 418,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,170.96 : 752,335.78 = 303,448.32 : x
  2. Step 2: Convert to fraction form
    545,170.96/752,335.78 = 303,448.32/x
  3. Step 3: Cross multiply
    545,170.96x = 752,335.78 × 303,448.32
  4. Step 4: Simplify right side
    545,170.96x = 228,295,028,516.89
  5. Step 5: Solve for x
    x = 228,295,028,516.89/545,170.96
  6. Step 6: Final answer
    x = 418,758.60

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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.