Finding the Fourth Proportional to 557,660.48, 769,573.86 and 303,012.68
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Solution
The fourth proportional to 557,660.48, 769,573.86 and 303,012.68 is: 418,158.80
Step by Step Solution
- Step 1: Write the proportion equation
557,660.48 : 769,573.86 = 303,012.68 : x - Step 2: Convert to fraction form
557,660.48/769,573.86 = 303,012.68/x - Step 3: Cross multiply
557,660.48x = 769,573.86 × 303,012.68 - Step 4: Simplify right side
557,660.48x = 233,190,637,776.55 - Step 5: Solve for x
x = 233,190,637,776.55/557,660.48 - Step 6: Final answer
x = 418,158.80
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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.