Home / 483,914.27-724,451.96-339,318.71

Finding the Fourth Proportional to 483,914.27, 724,451.96 and 339,318.71

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Solution

The fourth proportional to 483,914.27, 724,451.96 and 339,318.71 is: 507,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,914.27 : 724,451.96 = 339,318.71 : x
  2. Step 2: Convert to fraction form
    483,914.27/724,451.96 = 339,318.71/x
  3. Step 3: Cross multiply
    483,914.27x = 724,451.96 × 339,318.71
  4. Step 4: Simplify right side
    483,914.27x = 245,820,102,827.58
  5. Step 5: Solve for x
    x = 245,820,102,827.58/483,914.27
  6. Step 6: Final answer
    x = 507,982.75

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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.