Home / 479,147.20-719,188.23-395,756.89

Finding the Fourth Proportional to 479,147.20, 719,188.23 and 395,756.89

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Solution

The fourth proportional to 479,147.20, 719,188.23 and 395,756.89 is: 594,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,147.20 : 719,188.23 = 395,756.89 : x
  2. Step 2: Convert to fraction form
    479,147.20/719,188.23 = 395,756.89/x
  3. Step 3: Cross multiply
    479,147.20x = 719,188.23 × 395,756.89
  4. Step 4: Simplify right side
    479,147.20x = 284,623,697,229.41
  5. Step 5: Solve for x
    x = 284,623,697,229.41/479,147.20
  6. Step 6: Final answer
    x = 594,021.41

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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.