Home / 483,320.80-724,981.20-217,208.80

Finding the Fourth Proportional to 483,320.80, 724,981.20 and 217,208.80

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Solution

The fourth proportional to 483,320.80, 724,981.20 and 217,208.80 is: 325,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,320.80 : 724,981.20 = 217,208.80 : x
  2. Step 2: Convert to fraction form
    483,320.80/724,981.20 = 217,208.80/x
  3. Step 3: Cross multiply
    483,320.80x = 724,981.20 × 217,208.80
  4. Step 4: Simplify right side
    483,320.80x = 157,472,296,474.56
  5. Step 5: Solve for x
    x = 157,472,296,474.56/483,320.80
  6. Step 6: Final answer
    x = 325,813.20

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Similar ratio
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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.