Home / 751,987.67-1,128,440.77-325,637.48

Finding the Fourth Proportional to 751,987.67, 1,128,440.77 and 325,637.48

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Solution

The fourth proportional to 751,987.67, 1,128,440.77 and 325,637.48 is: 488,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,987.67 : 1,128,440.77 = 325,637.48 : x
  2. Step 2: Convert to fraction form
    751,987.67/1,128,440.77 = 325,637.48/x
  3. Step 3: Cross multiply
    751,987.67x = 1,128,440.77 × 325,637.48
  4. Step 4: Simplify right side
    751,987.67x = 367,462,610,679.07
  5. Step 5: Solve for x
    x = 367,462,610,679.07/751,987.67
  6. Step 6: Final answer
    x = 488,655.10

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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.