Finding the Fourth Proportional to 946,129.08, 1,419,419.61 and 315,048.36
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Solution
The fourth proportional to 946,129.08, 1,419,419.61 and 315,048.36 is: 472,647.79
Step by Step Solution
- Step 1: Write the proportion equation
946,129.08 : 1,419,419.61 = 315,048.36 : x - Step 2: Convert to fraction form
946,129.08/1,419,419.61 = 315,048.36/x - Step 3: Cross multiply
946,129.08x = 1,419,419.61 × 315,048.36 - Step 4: Simplify right side
946,129.08x = 447,185,820,282.34 - Step 5: Solve for x
x = 447,185,820,282.34/946,129.08 - Step 6: Final answer
x = 472,647.79
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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.