Home / 994,970.96-1,492,310.63-489,396.24

Finding the Fourth Proportional to 994,970.96, 1,492,310.63 and 489,396.24

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Solution

The fourth proportional to 994,970.96, 1,492,310.63 and 489,396.24 is: 734,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,970.96 : 1,492,310.63 = 489,396.24 : x
  2. Step 2: Convert to fraction form
    994,970.96/1,492,310.63 = 489,396.24/x
  3. Step 3: Cross multiply
    994,970.96x = 1,492,310.63 × 489,396.24
  4. Step 4: Simplify right side
    994,970.96x = 730,331,211,234.03
  5. Step 5: Solve for x
    x = 730,331,211,234.03/994,970.96
  6. Step 6: Final answer
    x = 734,022.64

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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.