Home / 939,882.80-1,409,878.54-265,907.66

Finding the Fourth Proportional to 939,882.80, 1,409,878.54 and 265,907.66

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Solution

The fourth proportional to 939,882.80, 1,409,878.54 and 265,907.66 is: 398,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,882.80 : 1,409,878.54 = 265,907.66 : x
  2. Step 2: Convert to fraction form
    939,882.80/1,409,878.54 = 265,907.66/x
  3. Step 3: Cross multiply
    939,882.80x = 1,409,878.54 × 265,907.66
  4. Step 4: Simplify right side
    939,882.80x = 374,897,503,455.62
  5. Step 5: Solve for x
    x = 374,897,503,455.62/939,882.80
  6. Step 6: Final answer
    x = 398,876.86

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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.