Home / 494,626.98-742,036.68-210,314.28

Finding the Fourth Proportional to 494,626.98, 742,036.68 and 210,314.28

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Solution

The fourth proportional to 494,626.98, 742,036.68 and 210,314.28 is: 315,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,626.98 : 742,036.68 = 210,314.28 : x
  2. Step 2: Convert to fraction form
    494,626.98/742,036.68 = 210,314.28/x
  3. Step 3: Cross multiply
    494,626.98x = 742,036.68 × 210,314.28
  4. Step 4: Simplify right side
    494,626.98x = 156,060,910,087.79
  5. Step 5: Solve for x
    x = 156,060,910,087.79/494,626.98
  6. Step 6: Final answer
    x = 315,512.33

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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.