Home / 802,729.04-1,107,778.96-440,186

Finding the Fourth Proportional to 802,729.04, 1,107,778.96 and 440,186

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Solution

The fourth proportional to 802,729.04, 1,107,778.96 and 440,186 is: 607,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,729.04 : 1,107,778.96 = 440,186 : x
  2. Step 2: Convert to fraction form
    802,729.04/1,107,778.96 = 440,186/x
  3. Step 3: Cross multiply
    802,729.04x = 1,107,778.96 × 440,186
  4. Step 4: Simplify right side
    802,729.04x = 487,628,789,286.56
  5. Step 5: Solve for x
    x = 487,628,789,286.56/802,729.04
  6. Step 6: Final answer
    x = 607,463.75

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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.