Finding the Fourth Proportional to 656,907.10, 985,688.70 and 372,815.80
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Solution
The fourth proportional to 656,907.10, 985,688.70 and 372,815.80 is: 559,409.88
Step by Step Solution
- Step 1: Write the proportion equation
656,907.10 : 985,688.70 = 372,815.80 : x - Step 2: Convert to fraction form
656,907.10/985,688.70 = 372,815.80/x - Step 3: Cross multiply
656,907.10x = 985,688.70 × 372,815.80 - Step 4: Simplify right side
656,907.10x = 367,480,321,241.46 - Step 5: Solve for x
x = 367,480,321,241.46/656,907.10 - Step 6: Final answer
x = 559,409.88
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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.