Home / 980,297.70-1,470,447.71-306,382.53

Finding the Fourth Proportional to 980,297.70, 1,470,447.71 and 306,382.53

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Solution

The fourth proportional to 980,297.70, 1,470,447.71 and 306,382.53 is: 459,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,297.70 : 1,470,447.71 = 306,382.53 : x
  2. Step 2: Convert to fraction form
    980,297.70/1,470,447.71 = 306,382.53/x
  3. Step 3: Cross multiply
    980,297.70x = 1,470,447.71 × 306,382.53
  4. Step 4: Simplify right side
    980,297.70x = 450,519,488,090.59
  5. Step 5: Solve for x
    x = 450,519,488,090.59/980,297.70
  6. Step 6: Final answer
    x = 459,574.16

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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.