Home / 949,528.68-1,422,385.20-443,391.54

Finding the Fourth Proportional to 949,528.68, 1,422,385.20 and 443,391.54

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Solution

The fourth proportional to 949,528.68, 1,422,385.20 and 443,391.54 is: 664,196.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,528.68 : 1,422,385.20 = 443,391.54 : x
  2. Step 2: Convert to fraction form
    949,528.68/1,422,385.20 = 443,391.54/x
  3. Step 3: Cross multiply
    949,528.68x = 1,422,385.20 × 443,391.54
  4. Step 4: Simplify right side
    949,528.68x = 630,673,564,301.21
  5. Step 5: Solve for x
    x = 630,673,564,301.21/949,528.68
  6. Step 6: Final answer
    x = 664,196.44

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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.