Home / 821,652.56-1,133,767.68-459,031.04

Finding the Fourth Proportional to 821,652.56, 1,133,767.68 and 459,031.04

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Solution

The fourth proportional to 821,652.56, 1,133,767.68 and 459,031.04 is: 633,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,652.56 : 1,133,767.68 = 459,031.04 : x
  2. Step 2: Convert to fraction form
    821,652.56/1,133,767.68 = 459,031.04/x
  3. Step 3: Cross multiply
    821,652.56x = 1,133,767.68 × 459,031.04
  4. Step 4: Simplify right side
    821,652.56x = 520,434,557,268.79
  5. Step 5: Solve for x
    x = 520,434,557,268.79/821,652.56
  6. Step 6: Final answer
    x = 633,399.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.