Home / 945,015.40-1,304,073.30-515,292.04

Finding the Fourth Proportional to 945,015.40, 1,304,073.30 and 515,292.04

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Solution

The fourth proportional to 945,015.40, 1,304,073.30 and 515,292.04 is: 711,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,015.40 : 1,304,073.30 = 515,292.04 : x
  2. Step 2: Convert to fraction form
    945,015.40/1,304,073.30 = 515,292.04/x
  3. Step 3: Cross multiply
    945,015.40x = 1,304,073.30 × 515,292.04
  4. Step 4: Simplify right side
    945,015.40x = 671,978,591,066.53
  5. Step 5: Solve for x
    x = 671,978,591,066.53/945,015.40
  6. Step 6: Final answer
    x = 711,076.87

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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.