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Finding the Fourth Proportional to 656,079.70, 984,419.41 and 296,346.73

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Solution

The fourth proportional to 656,079.70, 984,419.41 and 296,346.73 is: 444,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,079.70 : 984,419.41 = 296,346.73 : x
  2. Step 2: Convert to fraction form
    656,079.70/984,419.41 = 296,346.73/x
  3. Step 3: Cross multiply
    656,079.70x = 984,419.41 × 296,346.73
  4. Step 4: Simplify right side
    656,079.70x = 291,729,473,102.03
  5. Step 5: Solve for x
    x = 291,729,473,102.03/656,079.70
  6. Step 6: Final answer
    x = 444,655.54

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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.