Home / 499,344.40-748,579.20-299,452.60

Finding the Fourth Proportional to 499,344.40, 748,579.20 and 299,452.60

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Solution

The fourth proportional to 499,344.40, 748,579.20 and 299,452.60 is: 448,916.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,344.40 : 748,579.20 = 299,452.60 : x
  2. Step 2: Convert to fraction form
    499,344.40/748,579.20 = 299,452.60/x
  3. Step 3: Cross multiply
    499,344.40x = 748,579.20 × 299,452.60
  4. Step 4: Simplify right side
    499,344.40x = 224,163,987,745.92
  5. Step 5: Solve for x
    x = 224,163,987,745.92/499,344.40
  6. Step 6: Final answer
    x = 448,916.59

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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.