Home / 598,989.62-827,480.11-518,277.02

Finding the Fourth Proportional to 598,989.62, 827,480.11 and 518,277.02

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Solution

The fourth proportional to 598,989.62, 827,480.11 and 518,277.02 is: 715,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,989.62 : 827,480.11 = 518,277.02 : x
  2. Step 2: Convert to fraction form
    598,989.62/827,480.11 = 518,277.02/x
  3. Step 3: Cross multiply
    598,989.62x = 827,480.11 × 518,277.02
  4. Step 4: Simplify right side
    598,989.62x = 428,863,925,520.07
  5. Step 5: Solve for x
    x = 428,863,925,520.07/598,989.62
  6. Step 6: Final answer
    x = 715,978.89

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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.