Home / 852,069.78-1,278,279.63-346,629.48

Finding the Fourth Proportional to 852,069.78, 1,278,279.63 and 346,629.48

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Solution

The fourth proportional to 852,069.78, 1,278,279.63 and 346,629.48 is: 520,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,069.78 : 1,278,279.63 = 346,629.48 : x
  2. Step 2: Convert to fraction form
    852,069.78/1,278,279.63 = 346,629.48/x
  3. Step 3: Cross multiply
    852,069.78x = 1,278,279.63 × 346,629.48
  4. Step 4: Simplify right side
    852,069.78x = 443,089,398,647.94
  5. Step 5: Solve for x
    x = 443,089,398,647.94/852,069.78
  6. Step 6: Final answer
    x = 520,015.39

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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.