Finding the Fourth Proportional to 850,893.69, 1,174,257.90 and 468,945.08
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Solution
The fourth proportional to 850,893.69, 1,174,257.90 and 468,945.08 is: 647,157.77
Step by Step Solution
- Step 1: Write the proportion equation
850,893.69 : 1,174,257.90 = 468,945.08 : x - Step 2: Convert to fraction form
850,893.69/1,174,257.90 = 468,945.08/x - Step 3: Cross multiply
850,893.69x = 1,174,257.90 × 468,945.08 - Step 4: Simplify right side
850,893.69x = 550,662,464,856.13 - Step 5: Solve for x
x = 550,662,464,856.13/850,893.69 - Step 6: Final answer
x = 647,157.77
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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.