Finding the Fourth Proportional to 664,176.74, 916,559.23 and 377,696.75
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Solution
The fourth proportional to 664,176.74, 916,559.23 and 377,696.75 is: 521,218.86
Step by Step Solution
- Step 1: Write the proportion equation
664,176.74 : 916,559.23 = 377,696.75 : x - Step 2: Convert to fraction form
664,176.74/916,559.23 = 377,696.75/x - Step 3: Cross multiply
664,176.74x = 916,559.23 × 377,696.75 - Step 4: Simplify right side
664,176.74x = 346,181,440,465.02 - Step 5: Solve for x
x = 346,181,440,465.02/664,176.74 - Step 6: Final answer
x = 521,218.86
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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.