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Finding the Fourth Proportional to 573,473.25, 790,226.01 and 443,622.96

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Solution

The fourth proportional to 573,473.25, 790,226.01 and 443,622.96 is: 611,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,473.25 : 790,226.01 = 443,622.96 : x
  2. Step 2: Convert to fraction form
    573,473.25/790,226.01 = 443,622.96/x
  3. Step 3: Cross multiply
    573,473.25x = 790,226.01 × 443,622.96
  4. Step 4: Simplify right side
    573,473.25x = 350,562,401,625.19
  5. Step 5: Solve for x
    x = 350,562,401,625.19/573,473.25
  6. Step 6: Final answer
    x = 611,296.87

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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.