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Finding the Fourth Proportional to 656,311.60, 984,904.80 and 301,142.80

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Solution

The fourth proportional to 656,311.60, 984,904.80 and 301,142.80 is: 451,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,311.60 : 984,904.80 = 301,142.80 : x
  2. Step 2: Convert to fraction form
    656,311.60/984,904.80 = 301,142.80/x
  3. Step 3: Cross multiply
    656,311.60x = 984,904.80 × 301,142.80
  4. Step 4: Simplify right side
    656,311.60x = 296,596,989,205.44
  5. Step 5: Solve for x
    x = 296,596,989,205.44/656,311.60
  6. Step 6: Final answer
    x = 451,914.90

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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.