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Finding the Fourth Proportional to 489,185.97, 675,083.55 and 295,566.75

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Solution

The fourth proportional to 489,185.97, 675,083.55 and 295,566.75 is: 407,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,185.97 : 675,083.55 = 295,566.75 : x
  2. Step 2: Convert to fraction form
    489,185.97/675,083.55 = 295,566.75/x
  3. Step 3: Cross multiply
    489,185.97x = 675,083.55 × 295,566.75
  4. Step 4: Simplify right side
    489,185.97x = 199,532,250,851.96
  5. Step 5: Solve for x
    x = 199,532,250,851.96/489,185.97
  6. Step 6: Final answer
    x = 407,886.29

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1.5x scale

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.