Home / 939,426.96-1,409,232.68-265,513.44

Finding the Fourth Proportional to 939,426.96, 1,409,232.68 and 265,513.44

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Solution

The fourth proportional to 939,426.96, 1,409,232.68 and 265,513.44 is: 398,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,426.96 : 1,409,232.68 = 265,513.44 : x
  2. Step 2: Convert to fraction form
    939,426.96/1,409,232.68 = 265,513.44/x
  3. Step 3: Cross multiply
    939,426.96x = 1,409,232.68 × 265,513.44
  4. Step 4: Simplify right side
    939,426.96x = 374,170,215,299.65
  5. Step 5: Solve for x
    x = 374,170,215,299.65/939,426.96
  6. Step 6: Final answer
    x = 398,296.23

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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.