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Finding the Fourth Proportional to 603,011.60, 904,603.80 and 203,670.80

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Solution

The fourth proportional to 603,011.60, 904,603.80 and 203,670.80 is: 305,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,011.60 : 904,603.80 = 203,670.80 : x
  2. Step 2: Convert to fraction form
    603,011.60/904,603.80 = 203,670.80/x
  3. Step 3: Cross multiply
    603,011.60x = 904,603.80 × 203,670.80
  4. Step 4: Simplify right side
    603,011.60x = 184,241,379,629.04
  5. Step 5: Solve for x
    x = 184,241,379,629.04/603,011.60
  6. Step 6: Final answer
    x = 305,535.38

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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.