Finding the Fourth Proportional to 752,450.88, 1,038,394.88 and 412,950.72
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Solution
The fourth proportional to 752,450.88, 1,038,394.88 and 412,950.72 is: 569,878.94
Step by Step Solution
- Step 1: Write the proportion equation
752,450.88 : 1,038,394.88 = 412,950.72 : x - Step 2: Convert to fraction form
752,450.88/1,038,394.88 = 412,950.72/x - Step 3: Cross multiply
752,450.88x = 1,038,394.88 × 412,950.72 - Step 4: Simplify right side
752,450.88x = 428,805,913,340.31 - Step 5: Solve for x
x = 428,805,913,340.31/752,450.88 - Step 6: Final answer
x = 569,878.94
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1.5x scale
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.