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Finding the Fourth Proportional to 603,397.60, 904,829.10 and 203,929.90

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Solution

The fourth proportional to 603,397.60, 904,829.10 and 203,929.90 is: 305,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,397.60 : 904,829.10 = 203,929.90 : x
  2. Step 2: Convert to fraction form
    603,397.60/904,829.10 = 203,929.90/x
  3. Step 3: Cross multiply
    603,397.60x = 904,829.10 × 203,929.90
  4. Step 4: Simplify right side
    603,397.60x = 184,521,707,880.09
  5. Step 5: Solve for x
    x = 184,521,707,880.09/603,397.60
  6. Step 6: Final answer
    x = 305,804.51

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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.