Finding the Fourth Proportional to 816,736.68, 1,127,097.54 and 454,152.75
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Solution
The fourth proportional to 816,736.68, 1,127,097.54 and 454,152.75 is: 626,731.31
Step by Step Solution
- Step 1: Write the proportion equation
816,736.68 : 1,127,097.54 = 454,152.75 : x - Step 2: Convert to fraction form
816,736.68/1,127,097.54 = 454,152.75/x - Step 3: Cross multiply
816,736.68x = 1,127,097.54 × 454,152.75 - Step 4: Simplify right side
816,736.68x = 511,874,447,309.24 - Step 5: Solve for x
x = 511,874,447,309.24/816,736.68 - Step 6: Final answer
x = 626,731.31
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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.