Home / 829,654.28-1,244,421.26-324,120.36

Finding the Fourth Proportional to 829,654.28, 1,244,421.26 and 324,120.36

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Solution

The fourth proportional to 829,654.28, 1,244,421.26 and 324,120.36 is: 486,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,654.28 : 1,244,421.26 = 324,120.36 : x
  2. Step 2: Convert to fraction form
    829,654.28/1,244,421.26 = 324,120.36/x
  3. Step 3: Cross multiply
    829,654.28x = 1,244,421.26 × 324,120.36
  4. Step 4: Simplify right side
    829,654.28x = 403,342,266,782.85
  5. Step 5: Solve for x
    x = 403,342,266,782.85/829,654.28
  6. Step 6: Final answer
    x = 486,157.04

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1.5x scale

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.