Home / 751,587.75-1,037,192.48-407,422.61

Finding the Fourth Proportional to 751,587.75, 1,037,192.48 and 407,422.61

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Solution

The fourth proportional to 751,587.75, 1,037,192.48 and 407,422.61 is: 562,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,587.75 : 1,037,192.48 = 407,422.61 : x
  2. Step 2: Convert to fraction form
    751,587.75/1,037,192.48 = 407,422.61/x
  3. Step 3: Cross multiply
    751,587.75x = 1,037,192.48 × 407,422.61
  4. Step 4: Simplify right side
    751,587.75x = 422,575,667,273.97
  5. Step 5: Solve for x
    x = 422,575,667,273.97/751,587.75
  6. Step 6: Final answer
    x = 562,243.95

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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.