Finding the Fourth Proportional to 664,114.55, 916,473.74 and 377,634.65
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Solution
The fourth proportional to 664,114.55, 916,473.74 and 377,634.65 is: 521,133.34
Step by Step Solution
- Step 1: Write the proportion equation
664,114.55 : 916,473.74 = 377,634.65 : x - Step 2: Convert to fraction form
664,114.55/916,473.74 = 377,634.65/x - Step 3: Cross multiply
664,114.55x = 916,473.74 × 377,634.65 - Step 4: Simplify right side
664,114.55x = 346,092,233,568.55 - Step 5: Solve for x
x = 346,092,233,568.55/664,114.55 - Step 6: Final answer
x = 521,133.34
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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.