Finding the Fourth Proportional to 1,008,043.97, 1,511,827.08 and 288,363.48
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Solution
The fourth proportional to 1,008,043.97, 1,511,827.08 and 288,363.48 is: 432,476.89
Step by Step Solution
- Step 1: Write the proportion equation
1,008,043.97 : 1,511,827.08 = 288,363.48 : x - Step 2: Convert to fraction form
1,008,043.97/1,511,827.08 = 288,363.48/x - Step 3: Cross multiply
1,008,043.97x = 1,511,827.08 × 288,363.48 - Step 4: Simplify right side
1,008,043.97x = 435,955,717,947.04 - Step 5: Solve for x
x = 435,955,717,947.04/1,008,043.97 - Step 6: Final answer
x = 432,476.89
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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.