Home / 727,040.18-1,003,168.84-440,393.73

Finding the Fourth Proportional to 727,040.18, 1,003,168.84 and 440,393.73

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Solution

The fourth proportional to 727,040.18, 1,003,168.84 and 440,393.73 is: 607,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,040.18 : 1,003,168.84 = 440,393.73 : x
  2. Step 2: Convert to fraction form
    727,040.18/1,003,168.84 = 440,393.73/x
  3. Step 3: Cross multiply
    727,040.18x = 1,003,168.84 × 440,393.73
  4. Step 4: Simplify right side
    727,040.18x = 441,789,267,267.37
  5. Step 5: Solve for x
    x = 441,789,267,267.37/727,040.18
  6. Step 6: Final answer
    x = 607,654.54

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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.