Finding the Fourth Proportional to 965,085.92, 1,447,639.36 and 291,173.26
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Solution
The fourth proportional to 965,085.92, 1,447,639.36 and 291,173.26 is: 436,763.05
Step by Step Solution
- Step 1: Write the proportion equation
965,085.92 : 1,447,639.36 = 291,173.26 : x - Step 2: Convert to fraction form
965,085.92/1,447,639.36 = 291,173.26/x - Step 3: Cross multiply
965,085.92x = 1,447,639.36 × 291,173.26 - Step 4: Simplify right side
965,085.92x = 421,513,871,755.51 - Step 5: Solve for x
x = 421,513,871,755.51/965,085.92 - Step 6: Final answer
x = 436,763.05
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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.