Finding the Fourth Proportional to 809,828.28, 1,214,617.98 and 270,094.08
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Solution
The fourth proportional to 809,828.28, 1,214,617.98 and 270,094.08 is: 405,099.62
Step by Step Solution
- Step 1: Write the proportion equation
809,828.28 : 1,214,617.98 = 270,094.08 : x - Step 2: Convert to fraction form
809,828.28/1,214,617.98 = 270,094.08/x - Step 3: Cross multiply
809,828.28x = 1,214,617.98 × 270,094.08 - Step 4: Simplify right side
809,828.28x = 328,061,125,859.56 - Step 5: Solve for x
x = 328,061,125,859.56/809,828.28 - Step 6: Final answer
x = 405,099.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.