Finding the Fourth Proportional to 964,566.60, 1,330,333.84 and 620,441.88
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Solution
The fourth proportional to 964,566.60, 1,330,333.84 and 620,441.88 is: 855,715.75
Step by Step Solution
- Step 1: Write the proportion equation
964,566.60 : 1,330,333.84 = 620,441.88 : x - Step 2: Convert to fraction form
964,566.60/1,330,333.84 = 620,441.88/x - Step 3: Cross multiply
964,566.60x = 1,330,333.84 × 620,441.88 - Step 4: Simplify right side
964,566.60x = 825,394,828,717.22 - Step 5: Solve for x
x = 825,394,828,717.22/964,566.60 - Step 6: Final answer
x = 855,715.75
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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.