Home / 951,487.25-1,313,070.42-521,741.75

Finding the Fourth Proportional to 951,487.25, 1,313,070.42 and 521,741.75

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Solution

The fourth proportional to 951,487.25, 1,313,070.42 and 521,741.75 is: 720,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,487.25 : 1,313,070.42 = 521,741.75 : x
  2. Step 2: Convert to fraction form
    951,487.25/1,313,070.42 = 521,741.75/x
  3. Step 3: Cross multiply
    951,487.25x = 1,313,070.42 × 521,741.75
  4. Step 4: Simplify right side
    951,487.25x = 685,083,658,804.04
  5. Step 5: Solve for x
    x = 685,083,658,804.04/951,487.25
  6. Step 6: Final answer
    x = 720,013.49

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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.