Finding the Fourth Proportional to 914,058.50, 1,261,391.97 and 526,731.62
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Solution
The fourth proportional to 914,058.50, 1,261,391.97 and 526,731.62 is: 726,884.59
Step by Step Solution
- Step 1: Write the proportion equation
914,058.50 : 1,261,391.97 = 526,731.62 : x - Step 2: Convert to fraction form
914,058.50/1,261,391.97 = 526,731.62/x - Step 3: Cross multiply
914,058.50x = 1,261,391.97 × 526,731.62 - Step 4: Simplify right side
914,058.50x = 664,415,035,813.09 - Step 5: Solve for x
x = 664,415,035,813.09/914,058.50 - Step 6: Final answer
x = 726,884.59
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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.