Home / 479,542.79-719,329.63-251,780.71

Finding the Fourth Proportional to 479,542.79, 719,329.63 and 251,780.71

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Solution

The fourth proportional to 479,542.79, 719,329.63 and 251,780.71 is: 377,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,542.79 : 719,329.63 = 251,780.71 : x
  2. Step 2: Convert to fraction form
    479,542.79/719,329.63 = 251,780.71/x
  3. Step 3: Cross multiply
    479,542.79x = 719,329.63 × 251,780.71
  4. Step 4: Simplify right side
    479,542.79x = 181,113,324,965.44
  5. Step 5: Solve for x
    x = 181,113,324,965.44/479,542.79
  6. Step 6: Final answer
    x = 377,679.17

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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.