Home / 852,388.85-1,278,933.84-625,841.30

Finding the Fourth Proportional to 852,388.85, 1,278,933.84 and 625,841.30

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Solution

The fourth proportional to 852,388.85, 1,278,933.84 and 625,841.30 is: 939,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,388.85 : 1,278,933.84 = 625,841.30 : x
  2. Step 2: Convert to fraction form
    852,388.85/1,278,933.84 = 625,841.30/x
  3. Step 3: Cross multiply
    852,388.85x = 1,278,933.84 × 625,841.30
  4. Step 4: Simplify right side
    852,388.85x = 800,409,620,236.93
  5. Step 5: Solve for x
    x = 800,409,620,236.93/852,388.85
  6. Step 6: Final answer
    x = 939,019.34

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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.