Home / 878,538.33-1,212,282.99-496,564.20

Finding the Fourth Proportional to 878,538.33, 1,212,282.99 and 496,564.20

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Solution

The fourth proportional to 878,538.33, 1,212,282.99 and 496,564.20 is: 685,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,538.33 : 1,212,282.99 = 496,564.20 : x
  2. Step 2: Convert to fraction form
    878,538.33/1,212,282.99 = 496,564.20/x
  3. Step 3: Cross multiply
    878,538.33x = 1,212,282.99 × 496,564.20
  4. Step 4: Simplify right side
    878,538.33x = 601,976,333,102.96
  5. Step 5: Solve for x
    x = 601,976,333,102.96/878,538.33
  6. Step 6: Final answer
    x = 685,202.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.