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Finding the Fourth Proportional to 545,699.33, 752,965.11 and 303,975.89

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Solution

The fourth proportional to 545,699.33, 752,965.11 and 303,975.89 is: 419,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,699.33 : 752,965.11 = 303,975.89 : x
  2. Step 2: Convert to fraction form
    545,699.33/752,965.11 = 303,975.89/x
  3. Step 3: Cross multiply
    545,699.33x = 752,965.11 × 303,975.89
  4. Step 4: Simplify right side
    545,699.33x = 228,883,239,451.20
  5. Step 5: Solve for x
    x = 228,883,239,451.20/545,699.33
  6. Step 6: Final answer
    x = 419,431.04

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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.