Home / 945,441.64-1,304,717.78-515,723.68

Finding the Fourth Proportional to 945,441.64, 1,304,717.78 and 515,723.68

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Solution

The fourth proportional to 945,441.64, 1,304,717.78 and 515,723.68 is: 711,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,441.64 : 1,304,717.78 = 515,723.68 : x
  2. Step 2: Convert to fraction form
    945,441.64/1,304,717.78 = 515,723.68/x
  3. Step 3: Cross multiply
    945,441.64x = 1,304,717.78 × 515,723.68
  4. Step 4: Simplify right side
    945,441.64x = 672,873,854,863.03
  5. Step 5: Solve for x
    x = 672,873,854,863.03/945,441.64
  6. Step 6: Final answer
    x = 711,703.22

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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.