Home / 878,796.73-1,212,723.42-496,823.62

Finding the Fourth Proportional to 878,796.73, 1,212,723.42 and 496,823.62

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Solution

The fourth proportional to 878,796.73, 1,212,723.42 and 496,823.62 is: 685,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,796.73 : 1,212,723.42 = 496,823.62 : x
  2. Step 2: Convert to fraction form
    878,796.73/1,212,723.42 = 496,823.62/x
  3. Step 3: Cross multiply
    878,796.73x = 1,212,723.42 × 496,823.62
  4. Step 4: Simplify right side
    878,796.73x = 602,509,639,583.18
  5. Step 5: Solve for x
    x = 602,509,639,583.18/878,796.73
  6. Step 6: Final answer
    x = 685,607.51

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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.