Finding the Fourth Proportional to 411,862.37, 618,230.27 and 364,783.09
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Solution
The fourth proportional to 411,862.37, 618,230.27 and 364,783.09 is: 547,561.43
Step by Step Solution
- Step 1: Write the proportion equation
411,862.37 : 618,230.27 = 364,783.09 : x - Step 2: Convert to fraction form
411,862.37/618,230.27 = 364,783.09/x - Step 3: Cross multiply
411,862.37x = 618,230.27 × 364,783.09 - Step 4: Simplify right side
411,862.37x = 225,519,948,222.13 - Step 5: Solve for x
x = 225,519,948,222.13/411,862.37 - Step 6: Final answer
x = 547,561.43
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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.