Home / 479,941.78-719,463.93-213,557.62

Finding the Fourth Proportional to 479,941.78, 719,463.93 and 213,557.62

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Solution

The fourth proportional to 479,941.78, 719,463.93 and 213,557.62 is: 320,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,941.78 : 719,463.93 = 213,557.62 : x
  2. Step 2: Convert to fraction form
    479,941.78/719,463.93 = 213,557.62/x
  3. Step 3: Cross multiply
    479,941.78x = 719,463.93 × 213,557.62
  4. Step 4: Simplify right side
    479,941.78x = 153,647,004,566.65
  5. Step 5: Solve for x
    x = 153,647,004,566.65/479,941.78
  6. Step 6: Final answer
    x = 320,136.76

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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.