Finding the Fourth Proportional to 647,674.93, 971,032.54 and 310,394.44
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Solution
The fourth proportional to 647,674.93, 971,032.54 and 310,394.44 is: 465,361.69
Step by Step Solution
- Step 1: Write the proportion equation
647,674.93 : 971,032.54 = 310,394.44 : x - Step 2: Convert to fraction form
647,674.93/971,032.54 = 310,394.44/x - Step 3: Cross multiply
647,674.93x = 971,032.54 × 310,394.44 - Step 4: Simplify right side
647,674.93x = 301,403,101,475.08 - Step 5: Solve for x
x = 301,403,101,475.08/647,674.93 - Step 6: Final answer
x = 465,361.69
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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.