Home / 751,142.07-1,125,925.79-277,525.35

Finding the Fourth Proportional to 751,142.07, 1,125,925.79 and 277,525.35

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Solution

The fourth proportional to 751,142.07, 1,125,925.79 and 277,525.35 is: 415,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,142.07 : 1,125,925.79 = 277,525.35 : x
  2. Step 2: Convert to fraction form
    751,142.07/1,125,925.79 = 277,525.35/x
  3. Step 3: Cross multiply
    751,142.07x = 1,125,925.79 × 277,525.35
  4. Step 4: Simplify right side
    751,142.07x = 312,472,947,556.15
  5. Step 5: Solve for x
    x = 312,472,947,556.15/751,142.07
  6. Step 6: Final answer
    x = 415,997.13

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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.