Home / 951,486.25-1,313,069.04-521,740.75

Finding the Fourth Proportional to 951,486.25, 1,313,069.04 and 521,740.75

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Solution

The fourth proportional to 951,486.25, 1,313,069.04 and 521,740.75 is: 720,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,486.25 : 1,313,069.04 = 521,740.75 : x
  2. Step 2: Convert to fraction form
    951,486.25/1,313,069.04 = 521,740.75/x
  3. Step 3: Cross multiply
    951,486.25x = 1,313,069.04 × 521,740.75
  4. Step 4: Simplify right side
    951,486.25x = 685,081,625,731.38
  5. Step 5: Solve for x
    x = 685,081,625,731.38/951,486.25
  6. Step 6: Final answer
    x = 720,012.11

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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.