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Finding the Fourth Proportional to 545,757.72, 753,201.04 and 304,079.64

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Solution

The fourth proportional to 545,757.72, 753,201.04 and 304,079.64 is: 419,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,757.72 : 753,201.04 = 304,079.64 : x
  2. Step 2: Convert to fraction form
    545,757.72/753,201.04 = 304,079.64/x
  3. Step 3: Cross multiply
    545,757.72x = 753,201.04 × 304,079.64
  4. Step 4: Simplify right side
    545,757.72x = 229,033,101,090.83
  5. Step 5: Solve for x
    x = 229,033,101,090.83/545,757.72
  6. Step 6: Final answer
    x = 419,660.76

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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.