Home / 788,999.32-1,183,148.92-489,467.80

Finding the Fourth Proportional to 788,999.32, 1,183,148.92 and 489,467.80

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Solution

The fourth proportional to 788,999.32, 1,183,148.92 and 489,467.80 is: 733,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,999.32 : 1,183,148.92 = 489,467.80 : x
  2. Step 2: Convert to fraction form
    788,999.32/1,183,148.92 = 489,467.80/x
  3. Step 3: Cross multiply
    788,999.32x = 1,183,148.92 × 489,467.80
  4. Step 4: Simplify right side
    788,999.32x = 579,113,298,944.78
  5. Step 5: Solve for x
    x = 579,113,298,944.78/788,999.32
  6. Step 6: Final answer
    x = 733,984.53

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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.