Finding the Fourth Proportional to 816,725.82, 1,127,035.35 and 454,141.91
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Solution
The fourth proportional to 816,725.82, 1,127,035.35 and 454,141.91 is: 626,690.09
Step by Step Solution
- Step 1: Write the proportion equation
816,725.82 : 1,127,035.35 = 454,141.91 : x - Step 2: Convert to fraction form
816,725.82/1,127,035.35 = 454,141.91/x - Step 3: Cross multiply
816,725.82x = 1,127,035.35 × 454,141.91 - Step 4: Simplify right side
816,725.82x = 511,833,980,851.34 - Step 5: Solve for x
x = 511,833,980,851.34/816,725.82 - Step 6: Final answer
x = 626,690.09
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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.