Finding the Fourth Proportional to 694,183.88, 957,975.99 and 388,265.51
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Solution
The fourth proportional to 694,183.88, 957,975.99 and 388,265.51 is: 535,807.65
Step by Step Solution
- Step 1: Write the proportion equation
694,183.88 : 957,975.99 = 388,265.51 : x - Step 2: Convert to fraction form
694,183.88/957,975.99 = 388,265.51/x - Step 3: Cross multiply
694,183.88x = 957,975.99 × 388,265.51 - Step 4: Simplify right side
694,183.88x = 371,949,031,535.23 - Step 5: Solve for x
x = 371,949,031,535.23/694,183.88 - Step 6: Final answer
x = 535,807.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.