Finding the Fourth Proportional to 874,431.23, 1,206,683.24 and 487,226.64
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Solution
The fourth proportional to 874,431.23, 1,206,683.24 and 487,226.64 is: 672,355.02
Step by Step Solution
- Step 1: Write the proportion equation
874,431.23 : 1,206,683.24 = 487,226.64 : x - Step 2: Convert to fraction form
874,431.23/1,206,683.24 = 487,226.64/x - Step 3: Cross multiply
874,431.23x = 1,206,683.24 × 487,226.64 - Step 4: Simplify right side
874,431.23x = 587,928,225,399.09 - Step 5: Solve for x
x = 587,928,225,399.09/874,431.23 - Step 6: Final answer
x = 672,355.02
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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.