Home / 680,825.44-1,021,389.82-207,547.66

Finding the Fourth Proportional to 680,825.44, 1,021,389.82 and 207,547.66

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Solution

The fourth proportional to 680,825.44, 1,021,389.82 and 207,547.66 is: 311,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,825.44 : 1,021,389.82 = 207,547.66 : x
  2. Step 2: Convert to fraction form
    680,825.44/1,021,389.82 = 207,547.66/x
  3. Step 3: Cross multiply
    680,825.44x = 1,021,389.82 × 207,547.66
  4. Step 4: Simplify right side
    680,825.44x = 211,987,067,088.82
  5. Step 5: Solve for x
    x = 211,987,067,088.82/680,825.44
  6. Step 6: Final answer
    x = 311,367.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.