Home / 994.03-1,490.14-416.59

Finding the Fourth Proportional to 994.03, 1,490.14 and 416.59

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Solution

The fourth proportional to 994.03, 1,490.14 and 416.59 is: 624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.03 : 1,490.14 = 416.59 : x
  2. Step 2: Convert to fraction form
    994.03/1,490.14 = 416.59/x
  3. Step 3: Cross multiply
    994.03x = 1,490.14 × 416.59
  4. Step 4: Simplify right side
    994.03x = 620,777.42
  5. Step 5: Solve for x
    x = 620,777.42/994.03
  6. Step 6: Final answer
    x = 624.51

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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.