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Finding the Fourth Proportional to 545,450.94, 752,744.34 and 303,718.14

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Solution

The fourth proportional to 545,450.94, 752,744.34 and 303,718.14 is: 419,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,450.94 : 752,744.34 = 303,718.14 : x
  2. Step 2: Convert to fraction form
    545,450.94/752,744.34 = 303,718.14/x
  3. Step 3: Cross multiply
    545,450.94x = 752,744.34 × 303,718.14
  4. Step 4: Simplify right side
    545,450.94x = 228,622,110,840.33
  5. Step 5: Solve for x
    x = 228,622,110,840.33/545,450.94
  6. Step 6: Final answer
    x = 419,143.31

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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.