Finding the Fourth Proportional to 966,412.70, 1,449,619.05 and 831,110.30
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Solution
The fourth proportional to 966,412.70, 1,449,619.05 and 831,110.30 is: 1,246,665.45
Step by Step Solution
- Step 1: Write the proportion equation
966,412.70 : 1,449,619.05 = 831,110.30 : x - Step 2: Convert to fraction form
966,412.70/1,449,619.05 = 831,110.30/x - Step 3: Cross multiply
966,412.70x = 1,449,619.05 × 831,110.30 - Step 4: Simplify right side
966,412.70x = 1,204,793,323,531.22 - Step 5: Solve for x
x = 1,204,793,323,531.22/966,412.70 - Step 6: Final answer
x = 1,246,665.45
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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.