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Finding the Fourth Proportional to 500,832.84, 751,492.26 and 220,313.64

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Solution

The fourth proportional to 500,832.84, 751,492.26 and 220,313.64 is: 330,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,832.84 : 751,492.26 = 220,313.64 : x
  2. Step 2: Convert to fraction form
    500,832.84/751,492.26 = 220,313.64/x
  3. Step 3: Cross multiply
    500,832.84x = 751,492.26 × 220,313.64
  4. Step 4: Simplify right side
    500,832.84x = 165,563,995,232.43
  5. Step 5: Solve for x
    x = 165,563,995,232.43/500,832.84
  6. Step 6: Final answer
    x = 330,577.35

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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.