Home / 729,999.44-1,007,388.36-407,714.96

Finding the Fourth Proportional to 729,999.44, 1,007,388.36 and 407,714.96

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Solution

The fourth proportional to 729,999.44, 1,007,388.36 and 407,714.96 is: 562,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,999.44 : 1,007,388.36 = 407,714.96 : x
  2. Step 2: Convert to fraction form
    729,999.44/1,007,388.36 = 407,714.96/x
  3. Step 3: Cross multiply
    729,999.44x = 1,007,388.36 × 407,714.96
  4. Step 4: Simplify right side
    729,999.44x = 410,727,304,901.87
  5. Step 5: Solve for x
    x = 410,727,304,901.87/729,999.44
  6. Step 6: Final answer
    x = 562,640.58

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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.