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Finding the Fourth Proportional to 668,049.04, 921,965.70 and 366,301.36

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Solution

The fourth proportional to 668,049.04, 921,965.70 and 366,301.36 is: 505,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,049.04 : 921,965.70 = 366,301.36 : x
  2. Step 2: Convert to fraction form
    668,049.04/921,965.70 = 366,301.36/x
  3. Step 3: Cross multiply
    668,049.04x = 921,965.70 × 366,301.36
  4. Step 4: Simplify right side
    668,049.04x = 337,717,289,783.35
  5. Step 5: Solve for x
    x = 337,717,289,783.35/668,049.04
  6. Step 6: Final answer
    x = 505,527.69

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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.