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Finding the Fourth Proportional to 603,181.60, 904,743.60 and 203,783.20

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Solution

The fourth proportional to 603,181.60, 904,743.60 and 203,783.20 is: 305,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,181.60 : 904,743.60 = 203,783.20 : x
  2. Step 2: Convert to fraction form
    603,181.60/904,743.60 = 203,783.20/x
  3. Step 3: Cross multiply
    603,181.60x = 904,743.60 × 203,783.20
  4. Step 4: Simplify right side
    603,181.60x = 184,371,545,987.52
  5. Step 5: Solve for x
    x = 184,371,545,987.52/603,181.60
  6. Step 6: Final answer
    x = 305,665.07

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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.