Home / 454,810.20-682,215.30-277,663.20

Finding the Fourth Proportional to 454,810.20, 682,215.30 and 277,663.20

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Solution

The fourth proportional to 454,810.20, 682,215.30 and 277,663.20 is: 416,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,810.20 : 682,215.30 = 277,663.20 : x
  2. Step 2: Convert to fraction form
    454,810.20/682,215.30 = 277,663.20/x
  3. Step 3: Cross multiply
    454,810.20x = 682,215.30 × 277,663.20
  4. Step 4: Simplify right side
    454,810.20x = 189,426,083,286.96
  5. Step 5: Solve for x
    x = 189,426,083,286.96/454,810.20
  6. Step 6: Final answer
    x = 416,494.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.