Finding the Fourth Proportional to 611,820.23, 916,787.18 and 327,548.49
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Solution
The fourth proportional to 611,820.23, 916,787.18 and 327,548.49 is: 490,817.80
Step by Step Solution
- Step 1: Write the proportion equation
611,820.23 : 916,787.18 = 327,548.49 : x - Step 2: Convert to fraction form
611,820.23/916,787.18 = 327,548.49/x - Step 3: Cross multiply
611,820.23x = 916,787.18 × 327,548.49 - Step 4: Simplify right side
611,820.23x = 300,292,254,822.62 - Step 5: Solve for x
x = 300,292,254,822.62/611,820.23 - Step 6: Final answer
x = 490,817.80
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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.