Finding the Fourth Proportional to 816,730.68, 1,127,089.26 and 454,146.75
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Solution
The fourth proportional to 816,730.68, 1,127,089.26 and 454,146.75 is: 626,723.03
Step by Step Solution
- Step 1: Write the proportion equation
816,730.68 : 1,127,089.26 = 454,146.75 : x - Step 2: Convert to fraction form
816,730.68/1,127,089.26 = 454,146.75/x - Step 3: Cross multiply
816,730.68x = 1,127,089.26 × 454,146.75 - Step 4: Simplify right side
816,730.68x = 511,863,924,388.91 - Step 5: Solve for x
x = 511,863,924,388.91/816,730.68 - Step 6: Final answer
x = 626,723.03
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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.