Home / 624,428.87-936,971.55-443,229.02

Finding the Fourth Proportional to 624,428.87, 936,971.55 and 443,229.02

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Solution

The fourth proportional to 624,428.87, 936,971.55 and 443,229.02 is: 665,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,428.87 : 936,971.55 = 443,229.02 : x
  2. Step 2: Convert to fraction form
    624,428.87/936,971.55 = 443,229.02/x
  3. Step 3: Cross multiply
    624,428.87x = 936,971.55 × 443,229.02
  4. Step 4: Simplify right side
    624,428.87x = 415,292,977,189.52
  5. Step 5: Solve for x
    x = 415,292,977,189.52/624,428.87
  6. Step 6: Final answer
    x = 665,076.52

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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.