Finding the Fourth Proportional to 939,903.21, 1,297,067.99 and 510,183.23
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Solution
The fourth proportional to 939,903.21, 1,297,067.99 and 510,183.23 is: 704,053.69
Step by Step Solution
- Step 1: Write the proportion equation
939,903.21 : 1,297,067.99 = 510,183.23 : x - Step 2: Convert to fraction form
939,903.21/1,297,067.99 = 510,183.23/x - Step 3: Cross multiply
939,903.21x = 1,297,067.99 × 510,183.23 - Step 4: Simplify right side
939,903.21x = 661,742,327,631.55 - Step 5: Solve for x
x = 661,742,327,631.55/939,903.21 - Step 6: Final answer
x = 704,053.69
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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.