Home / 751,566.33-1,127,496.92-278,255.79

Finding the Fourth Proportional to 751,566.33, 1,127,496.92 and 278,255.79

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Solution

The fourth proportional to 751,566.33, 1,127,496.92 and 278,255.79 is: 417,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,566.33 : 1,127,496.92 = 278,255.79 : x
  2. Step 2: Convert to fraction form
    751,566.33/1,127,496.92 = 278,255.79/x
  3. Step 3: Cross multiply
    751,566.33x = 1,127,496.92 × 278,255.79
  4. Step 4: Simplify right side
    751,566.33x = 313,732,544,805.89
  5. Step 5: Solve for x
    x = 313,732,544,805.89/751,566.33
  6. Step 6: Final answer
    x = 417,438.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.