Home / 494,715.36-742,181.92-281,583.60

Finding the Fourth Proportional to 494,715.36, 742,181.92 and 281,583.60

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Solution

The fourth proportional to 494,715.36, 742,181.92 and 281,583.60 is: 422,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,715.36 : 742,181.92 = 281,583.60 : x
  2. Step 2: Convert to fraction form
    494,715.36/742,181.92 = 281,583.60/x
  3. Step 3: Cross multiply
    494,715.36x = 742,181.92 × 281,583.60
  4. Step 4: Simplify right side
    494,715.36x = 208,986,256,888.51
  5. Step 5: Solve for x
    x = 208,986,256,888.51/494,715.36
  6. Step 6: Final answer
    x = 422,437.37

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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.