Home / 791,952.09-1,092,915.38-447,839.51

Finding the Fourth Proportional to 791,952.09, 1,092,915.38 and 447,839.51

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Solution

The fourth proportional to 791,952.09, 1,092,915.38 and 447,839.51 is: 618,030.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,952.09 : 1,092,915.38 = 447,839.51 : x
  2. Step 2: Convert to fraction form
    791,952.09/1,092,915.38 = 447,839.51/x
  3. Step 3: Cross multiply
    791,952.09x = 1,092,915.38 × 447,839.51
  4. Step 4: Simplify right side
    791,952.09x = 489,450,686,979.51
  5. Step 5: Solve for x
    x = 489,450,686,979.51/791,952.09
  6. Step 6: Final answer
    x = 618,030.68

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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.