Finding the Fourth Proportional to 557,964.84, 769,996.98 and 303,316.68
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Solution
The fourth proportional to 557,964.84, 769,996.98 and 303,316.68 is: 418,580.01
Step by Step Solution
- Step 1: Write the proportion equation
557,964.84 : 769,996.98 = 303,316.68 : x - Step 2: Convert to fraction form
557,964.84/769,996.98 = 303,316.68/x - Step 3: Cross multiply
557,964.84x = 769,996.98 × 303,316.68 - Step 4: Simplify right side
557,964.84x = 233,552,927,583.63 - Step 5: Solve for x
x = 233,552,927,583.63/557,964.84 - Step 6: Final answer
x = 418,580.01
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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.