Finding the Fourth Proportional to 557,560.44, 769,437.09 and 302,911.56
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Solution
The fourth proportional to 557,560.44, 769,437.09 and 302,911.56 is: 418,019.95
Step by Step Solution
- Step 1: Write the proportion equation
557,560.44 : 769,437.09 = 302,911.56 : x - Step 2: Convert to fraction form
557,560.44/769,437.09 = 302,911.56/x - Step 3: Cross multiply
557,560.44x = 769,437.09 × 302,911.56 - Step 4: Simplify right side
557,560.44x = 233,071,389,253.76 - Step 5: Solve for x
x = 233,071,389,253.76/557,560.44 - Step 6: Final answer
x = 418,019.95
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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.