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Finding the Fourth Proportional to 707,790.16, 976,745.37 and 385,499.26

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Solution

The fourth proportional to 707,790.16, 976,745.37 and 385,499.26 is: 531,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,790.16 : 976,745.37 = 385,499.26 : x
  2. Step 2: Convert to fraction form
    707,790.16/976,745.37 = 385,499.26/x
  3. Step 3: Cross multiply
    707,790.16x = 976,745.37 × 385,499.26
  4. Step 4: Simplify right side
    707,790.16x = 376,534,617,343.43
  5. Step 5: Solve for x
    x = 376,534,617,343.43/707,790.16
  6. Step 6: Final answer
    x = 531,986.23

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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.