Finding the Fourth Proportional to 545,787.68, 814,843.94 and 417,030.10
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Solution
The fourth proportional to 545,787.68, 814,843.94 and 417,030.10 is: 622,612.90
Step by Step Solution
- Step 1: Write the proportion equation
545,787.68 : 814,843.94 = 417,030.10 : x - Step 2: Convert to fraction form
545,787.68/814,843.94 = 417,030.10/x - Step 3: Cross multiply
545,787.68x = 814,843.94 × 417,030.10 - Step 4: Simplify right side
545,787.68x = 339,814,449,782.59 - Step 5: Solve for x
x = 339,814,449,782.59/545,787.68 - Step 6: Final answer
x = 622,612.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.