Finding the Fourth Proportional to 851,112, 1,276,335.84 and 371,486.49
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Solution
The fourth proportional to 851,112, 1,276,335.84 and 371,486.49 is: 557,084.76
Step by Step Solution
- Step 1: Write the proportion equation
851,112 : 1,276,335.84 = 371,486.49 : x - Step 2: Convert to fraction form
851,112/1,276,335.84 = 371,486.49/x - Step 3: Cross multiply
851,112x = 1,276,335.84 × 371,486.49 - Step 4: Simplify right side
851,112x = 474,141,521,262.80 - Step 5: Solve for x
x = 474,141,521,262.80/851,112 - Step 6: Final answer
x = 557,084.76
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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.