Home / 535,435.44-738,922.68-320,532.72

Finding the Fourth Proportional to 535,435.44, 738,922.68 and 320,532.72

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Solution

The fourth proportional to 535,435.44, 738,922.68 and 320,532.72 is: 442,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,435.44 : 738,922.68 = 320,532.72 : x
  2. Step 2: Convert to fraction form
    535,435.44/738,922.68 = 320,532.72/x
  3. Step 3: Cross multiply
    535,435.44x = 738,922.68 × 320,532.72
  4. Step 4: Simplify right side
    535,435.44x = 236,848,896,490.09
  5. Step 5: Solve for x
    x = 236,848,896,490.09/535,435.44
  6. Step 6: Final answer
    x = 442,348.19

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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.