Home / 663,456.96-994,596.17-258,555.38

Finding the Fourth Proportional to 663,456.96, 994,596.17 and 258,555.38

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Solution

The fourth proportional to 663,456.96, 994,596.17 and 258,555.38 is: 387,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,456.96 : 994,596.17 = 258,555.38 : x
  2. Step 2: Convert to fraction form
    663,456.96/994,596.17 = 258,555.38/x
  3. Step 3: Cross multiply
    663,456.96x = 994,596.17 × 258,555.38
  4. Step 4: Simplify right side
    663,456.96x = 257,158,184,415.14
  5. Step 5: Solve for x
    x = 257,158,184,415.14/663,456.96
  6. Step 6: Final answer
    x = 387,603.42

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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.