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Finding the Fourth Proportional to 633,899.52, 874,741.68 and 347,399.28

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Solution

The fourth proportional to 633,899.52, 874,741.68 and 347,399.28 is: 479,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,899.52 : 874,741.68 = 347,399.28 : x
  2. Step 2: Convert to fraction form
    633,899.52/874,741.68 = 347,399.28/x
  3. Step 3: Cross multiply
    633,899.52x = 874,741.68 × 347,399.28
  4. Step 4: Simplify right side
    633,899.52x = 303,884,629,817.99
  5. Step 5: Solve for x
    x = 303,884,629,817.99/633,899.52
  6. Step 6: Final answer
    x = 479,389.27

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