Finding the Fourth Proportional to 664,102.13, 916,461.06 and 377,639.75
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Solution
The fourth proportional to 664,102.13, 916,461.06 and 377,639.75 is: 521,142.92
Step by Step Solution
- Step 1: Write the proportion equation
664,102.13 : 916,461.06 = 377,639.75 : x - Step 2: Convert to fraction form
664,102.13/916,461.06 = 377,639.75/x - Step 3: Cross multiply
664,102.13x = 916,461.06 × 377,639.75 - Step 4: Simplify right side
664,102.13x = 346,092,125,583.14 - Step 5: Solve for x
x = 346,092,125,583.14/664,102.13 - Step 6: Final answer
x = 521,142.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.