Finding the Fourth Proportional to 834,157.51, 1,151,175.78 and 471,596.65
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Solution
The fourth proportional to 834,157.51, 1,151,175.78 and 471,596.65 is: 650,825.09
Step by Step Solution
- Step 1: Write the proportion equation
834,157.51 : 1,151,175.78 = 471,596.65 : x - Step 2: Convert to fraction form
834,157.51/1,151,175.78 = 471,596.65/x - Step 3: Cross multiply
834,157.51x = 1,151,175.78 × 471,596.65 - Step 4: Simplify right side
834,157.51x = 542,890,638,531.20 - Step 5: Solve for x
x = 542,890,638,531.20/834,157.51 - Step 6: Final answer
x = 650,825.09
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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.