Finding the Fourth Proportional to 659,933.99, 910,709.49 and 358,127.99
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Solution
The fourth proportional to 659,933.99, 910,709.49 and 358,127.99 is: 494,216.94
Step by Step Solution
- Step 1: Write the proportion equation
659,933.99 : 910,709.49 = 358,127.99 : x - Step 2: Convert to fraction form
659,933.99/910,709.49 = 358,127.99/x - Step 3: Cross multiply
659,933.99x = 910,709.49 × 358,127.99 - Step 4: Simplify right side
659,933.99x = 326,150,554,574.08 - Step 5: Solve for x
x = 326,150,554,574.08/659,933.99 - Step 6: Final answer
x = 494,216.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.