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Finding the Fourth Proportional to 545,077.84, 752,195.64 and 303,359.44

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Solution

The fourth proportional to 545,077.84, 752,195.64 and 303,359.44 is: 418,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,077.84 : 752,195.64 = 303,359.44 : x
  2. Step 2: Convert to fraction form
    545,077.84/752,195.64 = 303,359.44/x
  3. Step 3: Cross multiply
    545,077.84x = 752,195.64 × 303,359.44
  4. Step 4: Simplify right side
    545,077.84x = 228,185,648,120.84
  5. Step 5: Solve for x
    x = 228,185,648,120.84/545,077.84
  6. Step 6: Final answer
    x = 418,629.47

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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.