Finding the Fourth Proportional to 432,821.80, 649,232.70 and 359,093.80
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Solution
The fourth proportional to 432,821.80, 649,232.70 and 359,093.80 is: 538,640.70
Step by Step Solution
- Step 1: Write the proportion equation
432,821.80 : 649,232.70 = 359,093.80 : x - Step 2: Convert to fraction form
432,821.80/649,232.70 = 359,093.80/x - Step 3: Cross multiply
432,821.80x = 649,232.70 × 359,093.80 - Step 4: Simplify right side
432,821.80x = 233,135,437,327.26 - Step 5: Solve for x
x = 233,135,437,327.26/432,821.80 - Step 6: Final answer
x = 538,640.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.