Finding the Fourth Proportional to 656,512.64, 906,289.99 and 463,077.96
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Solution
The fourth proportional to 656,512.64, 906,289.99 and 463,077.96 is: 639,260.99
Step by Step Solution
- Step 1: Write the proportion equation
656,512.64 : 906,289.99 = 463,077.96 : x - Step 2: Convert to fraction form
656,512.64/906,289.99 = 463,077.96/x - Step 3: Cross multiply
656,512.64x = 906,289.99 × 463,077.96 - Step 4: Simplify right side
656,512.64x = 419,682,921,581.63 - Step 5: Solve for x
x = 419,682,921,581.63/656,512.64 - Step 6: Final answer
x = 639,260.99
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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.