Home / 852,020.78-1,278,296.37-252,985.07

Finding the Fourth Proportional to 852,020.78, 1,278,296.37 and 252,985.07

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Solution

The fourth proportional to 852,020.78, 1,278,296.37 and 252,985.07 is: 379,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,020.78 : 1,278,296.37 = 252,985.07 : x
  2. Step 2: Convert to fraction form
    852,020.78/1,278,296.37 = 252,985.07/x
  3. Step 3: Cross multiply
    852,020.78x = 1,278,296.37 × 252,985.07
  4. Step 4: Simplify right side
    852,020.78x = 323,389,899,840.94
  5. Step 5: Solve for x
    x = 323,389,899,840.94/852,020.78
  6. Step 6: Final answer
    x = 379,556.36

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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.