Finding the Fourth Proportional to 756,190.95, 1,043,617.05 and 564,872.19
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Solution
The fourth proportional to 756,190.95, 1,043,617.05 and 564,872.19 is: 779,578.56
Step by Step Solution
- Step 1: Write the proportion equation
756,190.95 : 1,043,617.05 = 564,872.19 : x - Step 2: Convert to fraction form
756,190.95/1,043,617.05 = 564,872.19/x - Step 3: Cross multiply
756,190.95x = 1,043,617.05 × 564,872.19 - Step 4: Simplify right side
756,190.95x = 589,510,248,554.84 - Step 5: Solve for x
x = 589,510,248,554.84/756,190.95 - Step 6: Final answer
x = 779,578.56
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1.5x scale
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.