Finding the Fourth Proportional to 850,742.80, 1,174,077.36 and 468,769.48
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Solution
The fourth proportional to 850,742.80, 1,174,077.36 and 468,769.48 is: 646,930.70
Step by Step Solution
- Step 1: Write the proportion equation
850,742.80 : 1,174,077.36 = 468,769.48 : x - Step 2: Convert to fraction form
850,742.80/1,174,077.36 = 468,769.48/x - Step 3: Cross multiply
850,742.80x = 1,174,077.36 × 468,769.48 - Step 4: Simplify right side
850,742.80x = 550,371,633,526.97 - Step 5: Solve for x
x = 550,371,633,526.97/850,742.80 - Step 6: Final answer
x = 646,930.70
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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.