Finding the Fourth Proportional to 474,647.04, 711,474.84 and 285,107.04
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Solution
The fourth proportional to 474,647.04, 711,474.84 and 285,107.04 is: 427,362.80
Step by Step Solution
- Step 1: Write the proportion equation
474,647.04 : 711,474.84 = 285,107.04 : x - Step 2: Convert to fraction form
474,647.04/711,474.84 = 285,107.04/x - Step 3: Cross multiply
474,647.04x = 711,474.84 × 285,107.04 - Step 4: Simplify right side
474,647.04x = 202,846,485,666.87 - Step 5: Solve for x
x = 202,846,485,666.87/474,647.04 - Step 6: Final answer
x = 427,362.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.