Finding the Fourth Proportional to 608,939.76, 840,324.80 and 336,991.84
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Solution
The fourth proportional to 608,939.76, 840,324.80 and 336,991.84 is: 465,042.06
Step by Step Solution
- Step 1: Write the proportion equation
608,939.76 : 840,324.80 = 336,991.84 : x - Step 2: Convert to fraction form
608,939.76/840,324.80 = 336,991.84/x - Step 3: Cross multiply
608,939.76x = 840,324.80 × 336,991.84 - Step 4: Simplify right side
608,939.76x = 283,182,600,549.63 - Step 5: Solve for x
x = 283,182,600,549.63/608,939.76 - Step 6: Final answer
x = 465,042.06
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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.