Home / 939,447.33-1,409,218.38-265,577.01

Finding the Fourth Proportional to 939,447.33, 1,409,218.38 and 265,577.01

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Solution

The fourth proportional to 939,447.33, 1,409,218.38 and 265,577.01 is: 398,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,447.33 : 1,409,218.38 = 265,577.01 : x
  2. Step 2: Convert to fraction form
    939,447.33/1,409,218.38 = 265,577.01/x
  3. Step 3: Cross multiply
    939,447.33x = 1,409,218.38 × 265,577.01
  4. Step 4: Simplify right side
    939,447.33x = 374,256,003,797.44
  5. Step 5: Solve for x
    x = 374,256,003,797.44/939,447.33
  6. Step 6: Final answer
    x = 398,378.91

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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.