Home / 939,959.37-1,409,993.87-265,984.29

Finding the Fourth Proportional to 939,959.37, 1,409,993.87 and 265,984.29

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Solution

The fourth proportional to 939,959.37, 1,409,993.87 and 265,984.29 is: 398,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,959.37 : 1,409,993.87 = 265,984.29 : x
  2. Step 2: Convert to fraction form
    939,959.37/1,409,993.87 = 265,984.29/x
  3. Step 3: Cross multiply
    939,959.37x = 1,409,993.87 × 265,984.29
  4. Step 4: Simplify right side
    939,959.37x = 375,036,217,086.38
  5. Step 5: Solve for x
    x = 375,036,217,086.38/939,959.37
  6. Step 6: Final answer
    x = 398,991.94

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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.