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Finding the Fourth Proportional to 545,654.82, 752,964.93 and 300,628.74

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Solution

The fourth proportional to 545,654.82, 752,964.93 and 300,628.74 is: 414,846.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,654.82 : 752,964.93 = 300,628.74 : x
  2. Step 2: Convert to fraction form
    545,654.82/752,964.93 = 300,628.74/x
  3. Step 3: Cross multiply
    545,654.82x = 752,964.93 × 300,628.74
  4. Step 4: Simplify right side
    545,654.82x = 226,362,898,170.09
  5. Step 5: Solve for x
    x = 226,362,898,170.09/545,654.82
  6. Step 6: Final answer
    x = 414,846.33

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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.