Home / 853,954.07-1,280,887.36-254,920.19

Finding the Fourth Proportional to 853,954.07, 1,280,887.36 and 254,920.19

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Solution

The fourth proportional to 853,954.07, 1,280,887.36 and 254,920.19 is: 382,367.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,954.07 : 1,280,887.36 = 254,920.19 : x
  2. Step 2: Convert to fraction form
    853,954.07/1,280,887.36 = 254,920.19/x
  3. Step 3: Cross multiply
    853,954.07x = 1,280,887.36 × 254,920.19
  4. Step 4: Simplify right side
    853,954.07x = 326,524,042,138.06
  5. Step 5: Solve for x
    x = 326,524,042,138.06/853,954.07
  6. Step 6: Final answer
    x = 382,367.22

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1.5x scale

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.