Finding the Fourth Proportional to 886,679.49, 1,330,206.26 and 287,594.12
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Solution
The fourth proportional to 886,679.49, 1,330,206.26 and 287,594.12 is: 431,451.84
Step by Step Solution
- Step 1: Write the proportion equation
886,679.49 : 1,330,206.26 = 287,594.12 : x - Step 2: Convert to fraction form
886,679.49/1,330,206.26 = 287,594.12/x - Step 3: Cross multiply
886,679.49x = 1,330,206.26 × 287,594.12 - Step 4: Simplify right side
886,679.49x = 382,559,498,763.19 - Step 5: Solve for x
x = 382,559,498,763.19/886,679.49 - Step 6: Final answer
x = 431,451.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.