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Finding the Fourth Proportional to 397,421.03, 598,368.97 and 350,338.57

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Solution

The fourth proportional to 397,421.03, 598,368.97 and 350,338.57 is: 527,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,421.03 : 598,368.97 = 350,338.57 : x
  2. Step 2: Convert to fraction form
    397,421.03/598,368.97 = 350,338.57/x
  3. Step 3: Cross multiply
    397,421.03x = 598,368.97 × 350,338.57
  4. Step 4: Simplify right side
    397,421.03x = 209,631,728,224.17
  5. Step 5: Solve for x
    x = 209,631,728,224.17/397,421.03
  6. Step 6: Final answer
    x = 527,480.21

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.