Finding the Fourth Proportional to 664,277.75, 916,698.42 and 377,797.49
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Solution
The fourth proportional to 664,277.75, 916,698.42 and 377,797.49 is: 521,357.76
Step by Step Solution
- Step 1: Write the proportion equation
664,277.75 : 916,698.42 = 377,797.49 : x - Step 2: Convert to fraction form
664,277.75/916,698.42 = 377,797.49/x - Step 3: Cross multiply
664,277.75x = 916,698.42 × 377,797.49 - Step 4: Simplify right side
664,277.75x = 346,326,362,162.97 - Step 5: Solve for x
x = 346,326,362,162.97/664,277.75 - Step 6: Final answer
x = 521,357.76
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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.