Home / 818,349.53-1,129,410.66-450,864.22

Finding the Fourth Proportional to 818,349.53, 1,129,410.66 and 450,864.22

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Solution

The fourth proportional to 818,349.53, 1,129,410.66 and 450,864.22 is: 622,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,349.53 : 1,129,410.66 = 450,864.22 : x
  2. Step 2: Convert to fraction form
    818,349.53/1,129,410.66 = 450,864.22/x
  3. Step 3: Cross multiply
    818,349.53x = 1,129,410.66 × 450,864.22
  4. Step 4: Simplify right side
    818,349.53x = 509,210,862,299.03
  5. Step 5: Solve for x
    x = 509,210,862,299.03/818,349.53
  6. Step 6: Final answer
    x = 622,241.28

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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.