Finding the Fourth Proportional to 714,407.18, 1,071,610.70 and 215,771.18
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Solution
The fourth proportional to 714,407.18, 1,071,610.70 and 215,771.18 is: 323,656.75
Step by Step Solution
- Step 1: Write the proportion equation
714,407.18 : 1,071,610.70 = 215,771.18 : x - Step 2: Convert to fraction form
714,407.18/1,071,610.70 = 215,771.18/x - Step 3: Cross multiply
714,407.18x = 1,071,610.70 × 215,771.18 - Step 4: Simplify right side
714,407.18x = 231,222,705,239.63 - Step 5: Solve for x
x = 231,222,705,239.63/714,407.18 - Step 6: Final answer
x = 323,656.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.