Home / 545,696.48-753,035.94-303,976.68

Finding the Fourth Proportional to 545,696.48, 753,035.94 and 303,976.68

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Solution

The fourth proportional to 545,696.48, 753,035.94 and 303,976.68 is: 419,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,696.48 : 753,035.94 = 303,976.68 : x
  2. Step 2: Convert to fraction form
    545,696.48/753,035.94 = 303,976.68/x
  3. Step 3: Cross multiply
    545,696.48x = 753,035.94 × 303,976.68
  4. Step 4: Simplify right side
    545,696.48x = 228,905,364,961.88
  5. Step 5: Solve for x
    x = 228,905,364,961.88/545,696.48
  6. Step 6: Final answer
    x = 419,473.78

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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.