Finding the Fourth Proportional to 705,861.63, 974,220.26 and 404,055.63
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Solution
The fourth proportional to 705,861.63, 974,220.26 and 404,055.63 is: 557,671.88
Step by Step Solution
- Step 1: Write the proportion equation
705,861.63 : 974,220.26 = 404,055.63 : x - Step 2: Convert to fraction form
705,861.63/974,220.26 = 404,055.63/x - Step 3: Cross multiply
705,861.63x = 974,220.26 × 404,055.63 - Step 4: Simplify right side
705,861.63x = 393,639,177,052.10 - Step 5: Solve for x
x = 393,639,177,052.10/705,861.63 - Step 6: Final answer
x = 557,671.88
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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.