Home / 663,458.96-994,599.16-258,557.38

Finding the Fourth Proportional to 663,458.96, 994,599.16 and 258,557.38

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Solution

The fourth proportional to 663,458.96, 994,599.16 and 258,557.38 is: 387,606.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,458.96 : 994,599.16 = 258,557.38 : x
  2. Step 2: Convert to fraction form
    663,458.96/994,599.16 = 258,557.38/x
  3. Step 3: Cross multiply
    663,458.96x = 994,599.16 × 258,557.38
  4. Step 4: Simplify right side
    663,458.96x = 257,160,952,959.80
  5. Step 5: Solve for x
    x = 257,160,952,959.80/663,458.96
  6. Step 6: Final answer
    x = 387,606.42

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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.