Home / 789,954.36-1,090,110.06-450,531.96

Finding the Fourth Proportional to 789,954.36, 1,090,110.06 and 450,531.96

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Solution

The fourth proportional to 789,954.36, 1,090,110.06 and 450,531.96 is: 621,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,954.36 : 1,090,110.06 = 450,531.96 : x
  2. Step 2: Convert to fraction form
    789,954.36/1,090,110.06 = 450,531.96/x
  3. Step 3: Cross multiply
    789,954.36x = 1,090,110.06 × 450,531.96
  4. Step 4: Simplify right side
    789,954.36x = 491,129,421,947.52
  5. Step 5: Solve for x
    x = 491,129,421,947.52/789,954.36
  6. Step 6: Final answer
    x = 621,718.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.