Home / 598,990.12-827,480.80-518,277.52

Finding the Fourth Proportional to 598,990.12, 827,480.80 and 518,277.52

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Solution

The fourth proportional to 598,990.12, 827,480.80 and 518,277.52 is: 715,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,990.12 : 827,480.80 = 518,277.52 : x
  2. Step 2: Convert to fraction form
    598,990.12/827,480.80 = 518,277.52/x
  3. Step 3: Cross multiply
    598,990.12x = 827,480.80 × 518,277.52
  4. Step 4: Simplify right side
    598,990.12x = 428,864,696,871.62
  5. Step 5: Solve for x
    x = 428,864,696,871.62/598,990.12
  6. Step 6: Final answer
    x = 715,979.58

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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.