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Finding the Fourth Proportional to 490,096.80, 735,836.40 and 303,472.80

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Solution

The fourth proportional to 490,096.80, 735,836.40 and 303,472.80 is: 455,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,096.80 : 735,836.40 = 303,472.80 : x
  2. Step 2: Convert to fraction form
    490,096.80/735,836.40 = 303,472.80/x
  3. Step 3: Cross multiply
    490,096.80x = 735,836.40 × 303,472.80
  4. Step 4: Simplify right side
    490,096.80x = 223,306,332,649.92
  5. Step 5: Solve for x
    x = 223,306,332,649.92/490,096.80
  6. Step 6: Final answer
    x = 455,637.20

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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.