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Finding the Fourth Proportional to 553,982.76, 764,496.72 and 299,334.60

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Solution

The fourth proportional to 553,982.76, 764,496.72 and 299,334.60 is: 413,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,982.76 : 764,496.72 = 299,334.60 : x
  2. Step 2: Convert to fraction form
    553,982.76/764,496.72 = 299,334.60/x
  3. Step 3: Cross multiply
    553,982.76x = 764,496.72 × 299,334.60
  4. Step 4: Simplify right side
    553,982.76x = 228,840,319,882.51
  5. Step 5: Solve for x
    x = 228,840,319,882.51/553,982.76
  6. Step 6: Final answer
    x = 413,082.02

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Double scale
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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.