Home / 838,452.21-1,257,651.46-352,391.82

Finding the Fourth Proportional to 838,452.21, 1,257,651.46 and 352,391.82

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Solution

The fourth proportional to 838,452.21, 1,257,651.46 and 352,391.82 is: 528,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,452.21 : 1,257,651.46 = 352,391.82 : x
  2. Step 2: Convert to fraction form
    838,452.21/1,257,651.46 = 352,391.82/x
  3. Step 3: Cross multiply
    838,452.21x = 1,257,651.46 × 352,391.82
  4. Step 4: Simplify right side
    838,452.21x = 443,186,082,639.35
  5. Step 5: Solve for x
    x = 443,186,082,639.35/838,452.21
  6. Step 6: Final answer
    x = 528,576.44

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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.