Home / 855,735.66-1,283,633.25-406,224.96

Finding the Fourth Proportional to 855,735.66, 1,283,633.25 and 406,224.96

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Solution

The fourth proportional to 855,735.66, 1,283,633.25 and 406,224.96 is: 609,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,735.66 : 1,283,633.25 = 406,224.96 : x
  2. Step 2: Convert to fraction form
    855,735.66/1,283,633.25 = 406,224.96/x
  3. Step 3: Cross multiply
    855,735.66x = 1,283,633.25 × 406,224.96
  4. Step 4: Simplify right side
    855,735.66x = 521,443,865,635.92
  5. Step 5: Solve for x
    x = 521,443,865,635.92/855,735.66
  6. Step 6: Final answer
    x = 609,351.57

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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.