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Finding the Fourth Proportional to 656,313.60, 984,907.80 and 301,144.80

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Solution

The fourth proportional to 656,313.60, 984,907.80 and 301,144.80 is: 451,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,313.60 : 984,907.80 = 301,144.80 : x
  2. Step 2: Convert to fraction form
    656,313.60/984,907.80 = 301,144.80/x
  3. Step 3: Cross multiply
    656,313.60x = 984,907.80 × 301,144.80
  4. Step 4: Simplify right side
    656,313.60x = 296,599,862,449.44
  5. Step 5: Solve for x
    x = 296,599,862,449.44/656,313.60
  6. Step 6: Final answer
    x = 451,917.90

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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.