Home / 495,919.40-743,879.10-259,334.60

Finding the Fourth Proportional to 495,919.40, 743,879.10 and 259,334.60

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Solution

The fourth proportional to 495,919.40, 743,879.10 and 259,334.60 is: 389,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,919.40 : 743,879.10 = 259,334.60 : x
  2. Step 2: Convert to fraction form
    495,919.40/743,879.10 = 259,334.60/x
  3. Step 3: Cross multiply
    495,919.40x = 743,879.10 × 259,334.60
  4. Step 4: Simplify right side
    495,919.40x = 192,913,588,846.86
  5. Step 5: Solve for x
    x = 192,913,588,846.86/495,919.40
  6. Step 6: Final answer
    x = 389,001.90

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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.