Finding the Fourth Proportional to 808,548.56, 1,212,817.80 and 209,508.20
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Solution
The fourth proportional to 808,548.56, 1,212,817.80 and 209,508.20 is: 314,260.99
Step by Step Solution
- Step 1: Write the proportion equation
808,548.56 : 1,212,817.80 = 209,508.20 : x - Step 2: Convert to fraction form
808,548.56/1,212,817.80 = 209,508.20/x - Step 3: Cross multiply
808,548.56x = 1,212,817.80 × 209,508.20 - Step 4: Simplify right side
808,548.56x = 254,095,274,205.96 - Step 5: Solve for x
x = 254,095,274,205.96/808,548.56 - Step 6: Final answer
x = 314,260.99
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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.