Home / 603,420.12-905,511.30-337,355.16

Finding the Fourth Proportional to 603,420.12, 905,511.30 and 337,355.16

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Solution

The fourth proportional to 603,420.12, 905,511.30 and 337,355.16 is: 506,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,420.12 : 905,511.30 = 337,355.16 : x
  2. Step 2: Convert to fraction form
    603,420.12/905,511.30 = 337,355.16/x
  3. Step 3: Cross multiply
    603,420.12x = 905,511.30 × 337,355.16
  4. Step 4: Simplify right side
    603,420.12x = 305,478,909,493.31
  5. Step 5: Solve for x
    x = 305,478,909,493.31/603,420.12
  6. Step 6: Final answer
    x = 506,245.81

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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.