Home / 598,987.47-826,636.22-327,080.63

Finding the Fourth Proportional to 598,987.47, 826,636.22 and 327,080.63

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Solution

The fourth proportional to 598,987.47, 826,636.22 and 327,080.63 is: 451,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,987.47 : 826,636.22 = 327,080.63 : x
  2. Step 2: Convert to fraction form
    598,987.47/826,636.22 = 327,080.63/x
  3. Step 3: Cross multiply
    598,987.47x = 826,636.22 × 327,080.63
  4. Step 4: Simplify right side
    598,987.47x = 270,376,697,276.16
  5. Step 5: Solve for x
    x = 270,376,697,276.16/598,987.47
  6. Step 6: Final answer
    x = 451,389.57

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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.