Home / 857,837.48-1,285,858.37-289,022.06

Finding the Fourth Proportional to 857,837.48, 1,285,858.37 and 289,022.06

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Solution

The fourth proportional to 857,837.48, 1,285,858.37 and 289,022.06 is: 433,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,837.48 : 1,285,858.37 = 289,022.06 : x
  2. Step 2: Convert to fraction form
    857,837.48/1,285,858.37 = 289,022.06/x
  3. Step 3: Cross multiply
    857,837.48x = 1,285,858.37 × 289,022.06
  4. Step 4: Simplify right side
    857,837.48x = 371,641,438,902.84
  5. Step 5: Solve for x
    x = 371,641,438,902.84/857,837.48
  6. Step 6: Final answer
    x = 433,230.59

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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.