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Finding the Fourth Proportional to 656,440.40, 984,660.60 and 373,005.20

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Solution

The fourth proportional to 656,440.40, 984,660.60 and 373,005.20 is: 559,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,440.40 : 984,660.60 = 373,005.20 : x
  2. Step 2: Convert to fraction form
    656,440.40/984,660.60 = 373,005.20/x
  3. Step 3: Cross multiply
    656,440.40x = 984,660.60 × 373,005.20
  4. Step 4: Simplify right side
    656,440.40x = 367,283,524,035.12
  5. Step 5: Solve for x
    x = 367,283,524,035.12/656,440.40
  6. Step 6: Final answer
    x = 559,507.80

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Similar ratio
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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.