Home / 479,849.91-719,772.79-195,477.04

Finding the Fourth Proportional to 479,849.91, 719,772.79 and 195,477.04

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Solution

The fourth proportional to 479,849.91, 719,772.79 and 195,477.04 is: 293,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,849.91 : 719,772.79 = 195,477.04 : x
  2. Step 2: Convert to fraction form
    479,849.91/719,772.79 = 195,477.04/x
  3. Step 3: Cross multiply
    479,849.91x = 719,772.79 × 195,477.04
  4. Step 4: Simplify right side
    479,849.91x = 140,699,054,461.74
  5. Step 5: Solve for x
    x = 140,699,054,461.74/479,849.91
  6. Step 6: Final answer
    x = 293,214.71

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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.