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Finding the Fourth Proportional to 507,660.39, 700,571.31 and 281,305.89

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Solution

The fourth proportional to 507,660.39, 700,571.31 and 281,305.89 is: 388,202.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,660.39 : 700,571.31 = 281,305.89 : x
  2. Step 2: Convert to fraction form
    507,660.39/700,571.31 = 281,305.89/x
  3. Step 3: Cross multiply
    507,660.39x = 700,571.31 × 281,305.89
  4. Step 4: Simplify right side
    507,660.39x = 197,074,835,868.02
  5. Step 5: Solve for x
    x = 197,074,835,868.02/507,660.39
  6. Step 6: Final answer
    x = 388,202.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.