Home / 852,018.70-1,175,842.86-489,559.90

Finding the Fourth Proportional to 852,018.70, 1,175,842.86 and 489,559.90

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Solution

The fourth proportional to 852,018.70, 1,175,842.86 and 489,559.90 is: 675,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,018.70 : 1,175,842.86 = 489,559.90 : x
  2. Step 2: Convert to fraction form
    852,018.70/1,175,842.86 = 489,559.90/x
  3. Step 3: Cross multiply
    852,018.70x = 1,175,842.86 × 489,559.90
  4. Step 4: Simplify right side
    852,018.70x = 575,645,512,957.31
  5. Step 5: Solve for x
    x = 575,645,512,957.31/852,018.70
  6. Step 6: Final answer
    x = 675,625.44

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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.