Finding the Fourth Proportional to 850,751.28, 1,174,035.65 and 468,778.05
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Solution
The fourth proportional to 850,751.28, 1,174,035.65 and 468,778.05 is: 646,913.09
Step by Step Solution
- Step 1: Write the proportion equation
850,751.28 : 1,174,035.65 = 468,778.05 : x - Step 2: Convert to fraction form
850,751.28/1,174,035.65 = 468,778.05/x - Step 3: Cross multiply
850,751.28x = 1,174,035.65 × 468,778.05 - Step 4: Simplify right side
850,751.28x = 550,362,140,293.59 - Step 5: Solve for x
x = 550,362,140,293.59/850,751.28 - Step 6: Final answer
x = 646,913.09
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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.