Finding the Fourth Proportional to 808,924.20, 1,212,441.64 and 608,601.08
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Solution
The fourth proportional to 808,924.20, 1,212,441.64 and 608,601.08 is: 912,190.90
Step by Step Solution
- Step 1: Write the proportion equation
808,924.20 : 1,212,441.64 = 608,601.08 : x - Step 2: Convert to fraction form
808,924.20/1,212,441.64 = 608,601.08/x - Step 3: Cross multiply
808,924.20x = 1,212,441.64 × 608,601.08 - Step 4: Simplify right side
808,924.20x = 737,893,291,540.97 - Step 5: Solve for x
x = 737,893,291,540.97/808,924.20 - Step 6: Final answer
x = 912,190.90
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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.