Finding the Fourth Proportional to 713,786.06, 985,107.06 and 427,306.07
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Solution
The fourth proportional to 713,786.06, 985,107.06 and 427,306.07 is: 589,731.64
Step by Step Solution
- Step 1: Write the proportion equation
713,786.06 : 985,107.06 = 427,306.07 : x - Step 2: Convert to fraction form
713,786.06/985,107.06 = 427,306.07/x - Step 3: Cross multiply
713,786.06x = 985,107.06 × 427,306.07 - Step 4: Simplify right side
713,786.06x = 420,942,221,412.32 - Step 5: Solve for x
x = 420,942,221,412.32/713,786.06 - Step 6: Final answer
x = 589,731.64
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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.