Home / 479,411.72-719,438.62-198,929.24

Finding the Fourth Proportional to 479,411.72, 719,438.62 and 198,929.24

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Solution

The fourth proportional to 479,411.72, 719,438.62 and 198,929.24 is: 298,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,411.72 : 719,438.62 = 198,929.24 : x
  2. Step 2: Convert to fraction form
    479,411.72/719,438.62 = 198,929.24/x
  3. Step 3: Cross multiply
    479,411.72x = 719,438.62 × 198,929.24
  4. Step 4: Simplify right side
    479,411.72x = 143,117,379,204.52
  5. Step 5: Solve for x
    x = 143,117,379,204.52/479,411.72
  6. Step 6: Final answer
    x = 298,527.07

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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.