Home / 945,213.12-1,304,389.44-515,485.44

Finding the Fourth Proportional to 945,213.12, 1,304,389.44 and 515,485.44

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Solution

The fourth proportional to 945,213.12, 1,304,389.44 and 515,485.44 is: 711,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,213.12 : 1,304,389.44 = 515,485.44 : x
  2. Step 2: Convert to fraction form
    945,213.12/1,304,389.44 = 515,485.44/x
  3. Step 3: Cross multiply
    945,213.12x = 1,304,389.44 × 515,485.44
  4. Step 4: Simplify right side
    945,213.12x = 672,393,764,409.75
  5. Step 5: Solve for x
    x = 672,393,764,409.75/945,213.12
  6. Step 6: Final answer
    x = 711,367.36

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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.