Home / 324,720.36-486,874.17-284,819.45

Finding the Fourth Proportional to 324,720.36, 486,874.17 and 284,819.45

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Solution

The fourth proportional to 324,720.36, 486,874.17 and 284,819.45 is: 427,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,720.36 : 486,874.17 = 284,819.45 : x
  2. Step 2: Convert to fraction form
    324,720.36/486,874.17 = 284,819.45/x
  3. Step 3: Cross multiply
    324,720.36x = 486,874.17 × 284,819.45
  4. Step 4: Simplify right side
    324,720.36x = 138,671,230,884.24
  5. Step 5: Solve for x
    x = 138,671,230,884.24/324,720.36
  6. Step 6: Final answer
    x = 427,048.16

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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.