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Finding the Fourth Proportional to 553,768.26, 764,200.24 and 299,119.46

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Solution

The fourth proportional to 553,768.26, 764,200.24 and 299,119.46 is: 412,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,768.26 : 764,200.24 = 299,119.46 : x
  2. Step 2: Convert to fraction form
    553,768.26/764,200.24 = 299,119.46/x
  3. Step 3: Cross multiply
    553,768.26x = 764,200.24 × 299,119.46
  4. Step 4: Simplify right side
    553,768.26x = 228,587,163,120.67
  5. Step 5: Solve for x
    x = 228,587,163,120.67/553,768.26
  6. Step 6: Final answer
    x = 412,784.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.