Home / 598,988.12-827,478.04-518,275.52

Finding the Fourth Proportional to 598,988.12, 827,478.04 and 518,275.52

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Solution

The fourth proportional to 598,988.12, 827,478.04 and 518,275.52 is: 715,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,988.12 : 827,478.04 = 518,275.52 : x
  2. Step 2: Convert to fraction form
    598,988.12/827,478.04 = 518,275.52/x
  3. Step 3: Cross multiply
    598,988.12x = 827,478.04 × 518,275.52
  4. Step 4: Simplify right side
    598,988.12x = 428,861,611,469.58
  5. Step 5: Solve for x
    x = 428,861,611,469.58/598,988.12
  6. Step 6: Final answer
    x = 715,976.82

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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.