Finding the Fourth Proportional to 756,244.55, 1,133,185.55 and 643,460.96
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Solution
The fourth proportional to 756,244.55, 1,133,185.55 and 643,460.96 is: 964,186.33
Step by Step Solution
- Step 1: Write the proportion equation
756,244.55 : 1,133,185.55 = 643,460.96 : x - Step 2: Convert to fraction form
756,244.55/1,133,185.55 = 643,460.96/x - Step 3: Cross multiply
756,244.55x = 1,133,185.55 × 643,460.96 - Step 4: Simplify right side
756,244.55x = 729,160,661,476.79 - Step 5: Solve for x
x = 729,160,661,476.79/756,244.55 - Step 6: Final answer
x = 964,186.33
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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.