Home / 751,202.75-1,036,660.71-407,038.41

Finding the Fourth Proportional to 751,202.75, 1,036,660.71 and 407,038.41

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Solution

The fourth proportional to 751,202.75, 1,036,660.71 and 407,038.41 is: 561,713.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,202.75 : 1,036,660.71 = 407,038.41 : x
  2. Step 2: Convert to fraction form
    751,202.75/1,036,660.71 = 407,038.41/x
  3. Step 3: Cross multiply
    751,202.75x = 1,036,660.71 × 407,038.41
  4. Step 4: Simplify right side
    751,202.75x = 421,960,727,107.87
  5. Step 5: Solve for x
    x = 421,960,727,107.87/751,202.75
  6. Step 6: Final answer
    x = 561,713.51

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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.