Home / 494,629.98-742,041.18-210,317.28

Finding the Fourth Proportional to 494,629.98, 742,041.18 and 210,317.28

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Solution

The fourth proportional to 494,629.98, 742,041.18 and 210,317.28 is: 315,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,629.98 : 742,041.18 = 210,317.28 : x
  2. Step 2: Convert to fraction form
    494,629.98/742,041.18 = 210,317.28/x
  3. Step 3: Cross multiply
    494,629.98x = 742,041.18 × 210,317.28
  4. Step 4: Simplify right side
    494,629.98x = 156,064,082,625.59
  5. Step 5: Solve for x
    x = 156,064,082,625.59/494,629.98
  6. Step 6: Final answer
    x = 315,516.83

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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.