Finding the Fourth Proportional to 474,069.48, 654,393.79 and 310,736.51
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Solution
The fourth proportional to 474,069.48, 654,393.79 and 310,736.51 is: 428,932.99
Step by Step Solution
- Step 1: Write the proportion equation
474,069.48 : 654,393.79 = 310,736.51 : x - Step 2: Convert to fraction form
474,069.48/654,393.79 = 310,736.51/x - Step 3: Cross multiply
474,069.48x = 654,393.79 × 310,736.51 - Step 4: Simplify right side
474,069.48x = 203,344,040,292.81 - Step 5: Solve for x
x = 203,344,040,292.81/474,069.48 - Step 6: Final answer
x = 428,932.99
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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.