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Finding the Fourth Proportional to 603,502.80, 905,363.55 and 303,227.70

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Solution

The fourth proportional to 603,502.80, 905,363.55 and 303,227.70 is: 454,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,502.80 : 905,363.55 = 303,227.70 : x
  2. Step 2: Convert to fraction form
    603,502.80/905,363.55 = 303,227.70/x
  3. Step 3: Cross multiply
    603,502.80x = 905,363.55 × 303,227.70
  4. Step 4: Simplify right side
    603,502.80x = 274,531,306,930.34
  5. Step 5: Solve for x
    x = 274,531,306,930.34/603,502.80
  6. Step 6: Final answer
    x = 454,896.49

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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.