Home / 486,983.39-672,024.55-272,125.22

Finding the Fourth Proportional to 486,983.39, 672,024.55 and 272,125.22

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Solution

The fourth proportional to 486,983.39, 672,024.55 and 272,125.22 is: 375,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,983.39 : 672,024.55 = 272,125.22 : x
  2. Step 2: Convert to fraction form
    486,983.39/672,024.55 = 272,125.22/x
  3. Step 3: Cross multiply
    486,983.39x = 672,024.55 × 272,125.22
  4. Step 4: Simplify right side
    486,983.39x = 182,874,828,764.09
  5. Step 5: Solve for x
    x = 182,874,828,764.09/486,983.39
  6. Step 6: Final answer
    x = 375,525.80

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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.