Home / 483,109.60-724,405.20-202,309.60

Finding the Fourth Proportional to 483,109.60, 724,405.20 and 202,309.60

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Solution

The fourth proportional to 483,109.60, 724,405.20 and 202,309.60 is: 303,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,109.60 : 724,405.20 = 202,309.60 : x
  2. Step 2: Convert to fraction form
    483,109.60/724,405.20 = 202,309.60/x
  3. Step 3: Cross multiply
    483,109.60x = 724,405.20 × 202,309.60
  4. Step 4: Simplify right side
    483,109.60x = 146,554,126,249.92
  5. Step 5: Solve for x
    x = 146,554,126,249.92/483,109.60
  6. Step 6: Final answer
    x = 303,355.86

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1.5x scale

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.