Finding the Fourth Proportional to 811,092.70, 1,216,639.05 and 706,116.70
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Solution
The fourth proportional to 811,092.70, 1,216,639.05 and 706,116.70 is: 1,059,175.05
Step by Step Solution
- Step 1: Write the proportion equation
811,092.70 : 1,216,639.05 = 706,116.70 : x - Step 2: Convert to fraction form
811,092.70/1,216,639.05 = 706,116.70/x - Step 3: Cross multiply
811,092.70x = 1,216,639.05 × 706,116.70 - Step 4: Simplify right side
811,092.70x = 859,089,151,077.14 - Step 5: Solve for x
x = 859,089,151,077.14/811,092.70 - Step 6: Final answer
x = 1,059,175.05
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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.