Home / 828,399.32-1,242,859.80-295,908.56

Finding the Fourth Proportional to 828,399.32, 1,242,859.80 and 295,908.56

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Solution

The fourth proportional to 828,399.32, 1,242,859.80 and 295,908.56 is: 443,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,399.32 : 1,242,859.80 = 295,908.56 : x
  2. Step 2: Convert to fraction form
    828,399.32/1,242,859.80 = 295,908.56/x
  3. Step 3: Cross multiply
    828,399.32x = 1,242,859.80 × 295,908.56
  4. Step 4: Simplify right side
    828,399.32x = 367,772,853,699.89
  5. Step 5: Solve for x
    x = 367,772,853,699.89/828,399.32
  6. Step 6: Final answer
    x = 443,956.01

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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.