Finding the Fourth Proportional to 547,463.18, 755,833.20 and 513,579.26
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Solution
The fourth proportional to 547,463.18, 755,833.20 and 513,579.26 is: 709,052.72
Step by Step Solution
- Step 1: Write the proportion equation
547,463.18 : 755,833.20 = 513,579.26 : x - Step 2: Convert to fraction form
547,463.18/755,833.20 = 513,579.26/x - Step 3: Cross multiply
547,463.18x = 755,833.20 × 513,579.26 - Step 4: Simplify right side
547,463.18x = 388,180,255,539.43 - Step 5: Solve for x
x = 388,180,255,539.43/547,463.18 - Step 6: Final answer
x = 709,052.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.