Finding the Fourth Proportional to 912,261.26, 1,258,866.36 and 504,338.72
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Solution
The fourth proportional to 912,261.26, 1,258,866.36 and 504,338.72 is: 695,957.47
Step by Step Solution
- Step 1: Write the proportion equation
912,261.26 : 1,258,866.36 = 504,338.72 : x - Step 2: Convert to fraction form
912,261.26/1,258,866.36 = 504,338.72/x - Step 3: Cross multiply
912,261.26x = 1,258,866.36 × 504,338.72 - Step 4: Simplify right side
912,261.26x = 634,895,042,359.13 - Step 5: Solve for x
x = 634,895,042,359.13/912,261.26 - Step 6: Final answer
x = 695,957.47
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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.