Finding the Fourth Proportional to 756,190.70, 1,043,616.71 and 564,871.94
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Solution
The fourth proportional to 756,190.70, 1,043,616.71 and 564,871.94 is: 779,578.21
Step by Step Solution
- Step 1: Write the proportion equation
756,190.70 : 1,043,616.71 = 564,871.94 : x - Step 2: Convert to fraction form
756,190.70/1,043,616.71 = 564,871.94/x - Step 3: Cross multiply
756,190.70x = 1,043,616.71 × 564,871.94 - Step 4: Simplify right side
756,190.70x = 589,509,795,594.12 - Step 5: Solve for x
x = 589,509,795,594.12/756,190.70 - Step 6: Final answer
x = 779,578.21
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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.