Home / 855,237.00-1,282,855.47-393,568.36

Finding the Fourth Proportional to 855,237.00, 1,282,855.47 and 393,568.36

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Solution

The fourth proportional to 855,237.00, 1,282,855.47 and 393,568.36 is: 590,352.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,237.00 : 1,282,855.47 = 393,568.36 : x
  2. Step 2: Convert to fraction form
    855,237.00/1,282,855.47 = 393,568.36/x
  3. Step 3: Cross multiply
    855,237.00x = 1,282,855.47 × 393,568.36
  4. Step 4: Simplify right side
    855,237.00x = 504,891,327,289.79
  5. Step 5: Solve for x
    x = 504,891,327,289.79/855,237.00
  6. Step 6: Final answer
    x = 590,352.53

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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.