Home / 945,489.26-1,304,793.70-515,785.34

Finding the Fourth Proportional to 945,489.26, 1,304,793.70 and 515,785.34

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Solution

The fourth proportional to 945,489.26, 1,304,793.70 and 515,785.34 is: 711,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,489.26 : 1,304,793.70 = 515,785.34 : x
  2. Step 2: Convert to fraction form
    945,489.26/1,304,793.70 = 515,785.34/x
  3. Step 3: Cross multiply
    945,489.26x = 1,304,793.70 × 515,785.34
  4. Step 4: Simplify right side
    945,489.26x = 672,993,462,184.36
  5. Step 5: Solve for x
    x = 672,993,462,184.36/945,489.26
  6. Step 6: Final answer
    x = 711,793.87

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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.