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Finding the Fourth Proportional to 603,179.60, 904,740.60 and 203,781.20

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Solution

The fourth proportional to 603,179.60, 904,740.60 and 203,781.20 is: 305,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,179.60 : 904,740.60 = 203,781.20 : x
  2. Step 2: Convert to fraction form
    603,179.60/904,740.60 = 203,781.20/x
  3. Step 3: Cross multiply
    603,179.60x = 904,740.60 × 203,781.20
  4. Step 4: Simplify right side
    603,179.60x = 184,369,125,156.72
  5. Step 5: Solve for x
    x = 184,369,125,156.72/603,179.60
  6. Step 6: Final answer
    x = 305,662.07

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1.5x scale

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.