Home / 479,834.70-719,324.28-243,055.50

Finding the Fourth Proportional to 479,834.70, 719,324.28 and 243,055.50

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Solution

The fourth proportional to 479,834.70, 719,324.28 and 243,055.50 is: 364,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,834.70 : 719,324.28 = 243,055.50 : x
  2. Step 2: Convert to fraction form
    479,834.70/719,324.28 = 243,055.50/x
  3. Step 3: Cross multiply
    479,834.70x = 719,324.28 × 243,055.50
  4. Step 4: Simplify right side
    479,834.70x = 174,835,722,537.54
  5. Step 5: Solve for x
    x = 174,835,722,537.54/479,834.70
  6. Step 6: Final answer
    x = 364,366.57

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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.