Home / 603,385.36-905,064.04-303,785.50

Finding the Fourth Proportional to 603,385.36, 905,064.04 and 303,785.50

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Solution

The fourth proportional to 603,385.36, 905,064.04 and 303,785.50 is: 455,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,385.36 : 905,064.04 = 303,785.50 : x
  2. Step 2: Convert to fraction form
    603,385.36/905,064.04 = 303,785.50/x
  3. Step 3: Cross multiply
    603,385.36x = 905,064.04 × 303,785.50
  4. Step 4: Simplify right side
    603,385.36x = 274,945,331,923.42
  5. Step 5: Solve for x
    x = 274,945,331,923.42/603,385.36
  6. Step 6: Final answer
    x = 455,671.20

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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.