Home / 603,645.30-905,577.30-303,370.20

Finding the Fourth Proportional to 603,645.30, 905,577.30 and 303,370.20

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Solution

The fourth proportional to 603,645.30, 905,577.30 and 303,370.20 is: 455,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,645.30 : 905,577.30 = 303,370.20 : x
  2. Step 2: Convert to fraction form
    603,645.30/905,577.30 = 303,370.20/x
  3. Step 3: Cross multiply
    603,645.30x = 905,577.30 × 303,370.20
  4. Step 4: Simplify right side
    603,645.30x = 274,725,166,616.46
  5. Step 5: Solve for x
    x = 274,725,166,616.46/603,645.30
  6. Step 6: Final answer
    x = 455,110.26

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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.