Home / 945,647.84-1,304,992.51-515,928.02

Finding the Fourth Proportional to 945,647.84, 1,304,992.51 and 515,928.02

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Solution

The fourth proportional to 945,647.84, 1,304,992.51 and 515,928.02 is: 711,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,647.84 : 1,304,992.51 = 515,928.02 : x
  2. Step 2: Convert to fraction form
    945,647.84/1,304,992.51 = 515,928.02/x
  3. Step 3: Cross multiply
    945,647.84x = 1,304,992.51 × 515,928.02
  4. Step 4: Simplify right side
    945,647.84x = 673,282,193,984.35
  5. Step 5: Solve for x
    x = 673,282,193,984.35/945,647.84
  6. Step 6: Final answer
    x = 711,979.83

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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.