Home / 821,635.56-1,133,744.18-459,014.04

Finding the Fourth Proportional to 821,635.56, 1,133,744.18 and 459,014.04

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Solution

The fourth proportional to 821,635.56, 1,133,744.18 and 459,014.04 is: 633,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,635.56 : 1,133,744.18 = 459,014.04 : x
  2. Step 2: Convert to fraction form
    821,635.56/1,133,744.18 = 459,014.04/x
  3. Step 3: Cross multiply
    821,635.56x = 1,133,744.18 × 459,014.04
  4. Step 4: Simplify right side
    821,635.56x = 520,404,496,388.29
  5. Step 5: Solve for x
    x = 520,404,496,388.29/821,635.56
  6. Step 6: Final answer
    x = 633,376.31

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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.