Home / 852,074.64-1,175,494.28-489,415.37

Finding the Fourth Proportional to 852,074.64, 1,175,494.28 and 489,415.37

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Solution

The fourth proportional to 852,074.64, 1,175,494.28 and 489,415.37 is: 675,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,074.64 : 1,175,494.28 = 489,415.37 : x
  2. Step 2: Convert to fraction form
    852,074.64/1,175,494.28 = 489,415.37/x
  3. Step 3: Cross multiply
    852,074.64x = 1,175,494.28 × 489,415.37
  4. Step 4: Simplify right side
    852,074.64x = 575,304,959,654.54
  5. Step 5: Solve for x
    x = 575,304,959,654.54/852,074.64
  6. Step 6: Final answer
    x = 675,181.41

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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.