Finding the Fourth Proportional to 703,311.36, 970,640.64 and 416,878.08
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Solution
The fourth proportional to 703,311.36, 970,640.64 and 416,878.08 is: 575,333.81
Step by Step Solution
- Step 1: Write the proportion equation
703,311.36 : 970,640.64 = 416,878.08 : x - Step 2: Convert to fraction form
703,311.36/970,640.64 = 416,878.08/x - Step 3: Cross multiply
703,311.36x = 970,640.64 × 416,878.08 - Step 4: Simplify right side
703,311.36x = 404,638,806,373.17 - Step 5: Solve for x
x = 404,638,806,373.17/703,311.36 - Step 6: Final answer
x = 575,333.81
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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.