Home / 793,406.87-1,189,857.59-260,804.78

Finding the Fourth Proportional to 793,406.87, 1,189,857.59 and 260,804.78

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Solution

The fourth proportional to 793,406.87, 1,189,857.59 and 260,804.78 is: 391,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,406.87 : 1,189,857.59 = 260,804.78 : x
  2. Step 2: Convert to fraction form
    793,406.87/1,189,857.59 = 260,804.78/x
  3. Step 3: Cross multiply
    793,406.87x = 1,189,857.59 × 260,804.78
  4. Step 4: Simplify right side
    793,406.87x = 310,320,545,687.26
  5. Step 5: Solve for x
    x = 310,320,545,687.26/793,406.87
  6. Step 6: Final answer
    x = 391,124.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.