Home / 603,428.10-904,874.85-203,960.40

Finding the Fourth Proportional to 603,428.10, 904,874.85 and 203,960.40

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Solution

The fourth proportional to 603,428.10, 904,874.85 and 203,960.40 is: 305,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,428.10 : 904,874.85 = 203,960.40 : x
  2. Step 2: Convert to fraction form
    603,428.10/904,874.85 = 203,960.40/x
  3. Step 3: Cross multiply
    603,428.10x = 904,874.85 × 203,960.40
  4. Step 4: Simplify right side
    603,428.10x = 184,558,636,355.94
  5. Step 5: Solve for x
    x = 184,558,636,355.94/603,428.10
  6. Step 6: Final answer
    x = 305,850.25

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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.