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Finding the Fourth Proportional to 604,493.83, 905,993.35 and 305,060.05

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Solution

The fourth proportional to 604,493.83, 905,993.35 and 305,060.05 is: 457,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,493.83 : 905,993.35 = 305,060.05 : x
  2. Step 2: Convert to fraction form
    604,493.83/905,993.35 = 305,060.05/x
  3. Step 3: Cross multiply
    604,493.83x = 905,993.35 × 305,060.05
  4. Step 4: Simplify right side
    604,493.83x = 276,382,373,623.03
  5. Step 5: Solve for x
    x = 276,382,373,623.03/604,493.83
  6. Step 6: Final answer
    x = 457,212.90

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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.