Home / 663,450.36-994,586.16-258,548.88

Finding the Fourth Proportional to 663,450.36, 994,586.16 and 258,548.88

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Solution

The fourth proportional to 663,450.36, 994,586.16 and 258,548.88 is: 387,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,450.36 : 994,586.16 = 258,548.88 : x
  2. Step 2: Convert to fraction form
    663,450.36/994,586.16 = 258,548.88/x
  3. Step 3: Cross multiply
    663,450.36x = 994,586.16 × 258,548.88
  4. Step 4: Simplify right side
    663,450.36x = 257,149,137,731.50
  5. Step 5: Solve for x
    x = 257,149,137,731.50/663,450.36
  6. Step 6: Final answer
    x = 387,593.64

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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.