Finding the Fourth Proportional to 859,021.12, 1,186,042.26 and 536,876.02
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Solution
The fourth proportional to 859,021.12, 1,186,042.26 and 536,876.02 is: 741,259.60
Step by Step Solution
- Step 1: Write the proportion equation
859,021.12 : 1,186,042.26 = 536,876.02 : x - Step 2: Convert to fraction form
859,021.12/1,186,042.26 = 536,876.02/x - Step 3: Cross multiply
859,021.12x = 1,186,042.26 × 536,876.02 - Step 4: Simplify right side
859,021.12x = 636,757,648,100.61 - Step 5: Solve for x
x = 636,757,648,100.61/859,021.12 - Step 6: Final answer
x = 741,259.60
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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.