Finding the Fourth Proportional to 756,784.17, 1,135,453.05 and 352,169.37
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Solution
The fourth proportional to 756,784.17, 1,135,453.05 and 352,169.37 is: 528,382.86
Step by Step Solution
- Step 1: Write the proportion equation
756,784.17 : 1,135,453.05 = 352,169.37 : x - Step 2: Convert to fraction form
756,784.17/1,135,453.05 = 352,169.37/x - Step 3: Cross multiply
756,784.17x = 1,135,453.05 × 352,169.37 - Step 4: Simplify right side
756,784.17x = 399,871,785,283.08 - Step 5: Solve for x
x = 399,871,785,283.08/756,784.17 - Step 6: Final answer
x = 528,382.86
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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.