Home / 945,464.22-1,304,749.98-515,753.28

Finding the Fourth Proportional to 945,464.22, 1,304,749.98 and 515,753.28

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Solution

The fourth proportional to 945,464.22, 1,304,749.98 and 515,753.28 is: 711,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,464.22 : 1,304,749.98 = 515,753.28 : x
  2. Step 2: Convert to fraction form
    945,464.22/1,304,749.98 = 515,753.28/x
  3. Step 3: Cross multiply
    945,464.22x = 1,304,749.98 × 515,753.28
  4. Step 4: Simplify right side
    945,464.22x = 672,929,081,764.94
  5. Step 5: Solve for x
    x = 672,929,081,764.94/945,464.22
  6. Step 6: Final answer
    x = 711,744.63

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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.