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Finding the Fourth Proportional to 603,431.01, 832,591.25 and 341,788.56

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Solution

The fourth proportional to 603,431.01, 832,591.25 and 341,788.56 is: 471,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,431.01 : 832,591.25 = 341,788.56 : x
  2. Step 2: Convert to fraction form
    603,431.01/832,591.25 = 341,788.56/x
  3. Step 3: Cross multiply
    603,431.01x = 832,591.25 × 341,788.56
  4. Step 4: Simplify right side
    603,431.01x = 284,570,162,697.16
  5. Step 5: Solve for x
    x = 284,570,162,697.16/603,431.01
  6. Step 6: Final answer
    x = 471,586.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.