Finding the Fourth Proportional to 664,078.84, 916,424.56 and 377,598.91
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Solution
The fourth proportional to 664,078.84, 916,424.56 and 377,598.91 is: 521,084.09
Step by Step Solution
- Step 1: Write the proportion equation
664,078.84 : 916,424.56 = 377,598.91 : x - Step 2: Convert to fraction form
664,078.84/916,424.56 = 377,598.91/x - Step 3: Cross multiply
664,078.84x = 916,424.56 × 377,598.91 - Step 4: Simplify right side
664,078.84x = 346,040,914,953.23 - Step 5: Solve for x
x = 346,040,914,953.23/664,078.84 - Step 6: Final answer
x = 521,084.09
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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.