Home / 404,116.20-607,049.10-389,244.60

Finding the Fourth Proportional to 404,116.20, 607,049.10 and 389,244.60

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Solution

The fourth proportional to 404,116.20, 607,049.10 and 389,244.60 is: 584,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,116.20 : 607,049.10 = 389,244.60 : x
  2. Step 2: Convert to fraction form
    404,116.20/607,049.10 = 389,244.60/x
  3. Step 3: Cross multiply
    404,116.20x = 607,049.10 × 389,244.60
  4. Step 4: Simplify right side
    404,116.20x = 236,290,584,109.86
  5. Step 5: Solve for x
    x = 236,290,584,109.86/404,116.20
  6. Step 6: Final answer
    x = 584,709.51

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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.