Home / 980,297.42-1,470,447.28-306,382.25

Finding the Fourth Proportional to 980,297.42, 1,470,447.28 and 306,382.25

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Solution

The fourth proportional to 980,297.42, 1,470,447.28 and 306,382.25 is: 459,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,297.42 : 1,470,447.28 = 306,382.25 : x
  2. Step 2: Convert to fraction form
    980,297.42/1,470,447.28 = 306,382.25/x
  3. Step 3: Cross multiply
    980,297.42x = 1,470,447.28 × 306,382.25
  4. Step 4: Simplify right side
    980,297.42x = 450,518,950,211.88
  5. Step 5: Solve for x
    x = 450,518,950,211.88/980,297.42
  6. Step 6: Final answer
    x = 459,573.74

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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.