Home / 383,021.74-573,785.19-298,385.62

Finding the Fourth Proportional to 383,021.74, 573,785.19 and 298,385.62

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Solution

The fourth proportional to 383,021.74, 573,785.19 and 298,385.62 is: 446,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,021.74 : 573,785.19 = 298,385.62 : x
  2. Step 2: Convert to fraction form
    383,021.74/573,785.19 = 298,385.62/x
  3. Step 3: Cross multiply
    383,021.74x = 573,785.19 × 298,385.62
  4. Step 4: Simplify right side
    383,021.74x = 171,209,252,297.26
  5. Step 5: Solve for x
    x = 171,209,252,297.26/383,021.74
  6. Step 6: Final answer
    x = 446,996.18

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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.