Finding the Fourth Proportional to 816,427.18, 1,126,593.25 and 472,207.96
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Solution
The fourth proportional to 816,427.18, 1,126,593.25 and 472,207.96 is: 651,602.88
Step by Step Solution
- Step 1: Write the proportion equation
816,427.18 : 1,126,593.25 = 472,207.96 : x - Step 2: Convert to fraction form
816,427.18/1,126,593.25 = 472,207.96/x - Step 3: Cross multiply
816,427.18x = 1,126,593.25 × 472,207.96 - Step 4: Simplify right side
816,427.18x = 531,986,300,332.27 - Step 5: Solve for x
x = 531,986,300,332.27/816,427.18 - Step 6: Final answer
x = 651,602.88
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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.