Finding the Fourth Proportional to 602,683.21, 831,676.63 and 330,755.62
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Solution
The fourth proportional to 602,683.21, 831,676.63 and 330,755.62 is: 456,428.37
Step by Step Solution
- Step 1: Write the proportion equation
602,683.21 : 831,676.63 = 330,755.62 : x - Step 2: Convert to fraction form
602,683.21/831,676.63 = 330,755.62/x - Step 3: Cross multiply
602,683.21x = 831,676.63 × 330,755.62 - Step 4: Simplify right side
602,683.21x = 275,081,715,857.69 - Step 5: Solve for x
x = 275,081,715,857.69/602,683.21 - Step 6: Final answer
x = 456,428.37
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1.5x scale
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.