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Finding the Fourth Proportional to 570,504.60, 856,232.04 and 300,729.60

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Solution

The fourth proportional to 570,504.60, 856,232.04 and 300,729.60 is: 451,344.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,504.60 : 856,232.04 = 300,729.60 : x
  2. Step 2: Convert to fraction form
    570,504.60/856,232.04 = 300,729.60/x
  3. Step 3: Cross multiply
    570,504.60x = 856,232.04 × 300,729.60
  4. Step 4: Simplify right side
    570,504.60x = 257,494,318,896.38
  5. Step 5: Solve for x
    x = 257,494,318,896.38/570,504.60
  6. Step 6: Final answer
    x = 451,344.86

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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.