Home / 939,914.40-1,409,926.38-265,939.32

Finding the Fourth Proportional to 939,914.40, 1,409,926.38 and 265,939.32

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Solution

The fourth proportional to 939,914.40, 1,409,926.38 and 265,939.32 is: 398,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,914.40 : 1,409,926.38 = 265,939.32 : x
  2. Step 2: Convert to fraction form
    939,914.40/1,409,926.38 = 265,939.32/x
  3. Step 3: Cross multiply
    939,914.40x = 1,409,926.38 × 265,939.32
  4. Step 4: Simplify right side
    939,914.40x = 374,954,862,747.26
  5. Step 5: Solve for x
    x = 374,954,862,747.26/939,914.40
  6. Step 6: Final answer
    x = 398,924.48

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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.