Home / 479,872.58-719,964.33-142,916.02

Finding the Fourth Proportional to 479,872.58, 719,964.33 and 142,916.02

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Solution

The fourth proportional to 479,872.58, 719,964.33 and 142,916.02 is: 214,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,872.58 : 719,964.33 = 142,916.02 : x
  2. Step 2: Convert to fraction form
    479,872.58/719,964.33 = 142,916.02/x
  3. Step 3: Cross multiply
    479,872.58x = 719,964.33 × 142,916.02
  4. Step 4: Simplify right side
    479,872.58x = 102,894,436,585.57
  5. Step 5: Solve for x
    x = 102,894,436,585.57/479,872.58
  6. Step 6: Final answer
    x = 214,420.33

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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.