Finding the Fourth Proportional to 640,197.07, 883,489.78 and 353,735.62
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Solution
The fourth proportional to 640,197.07, 883,489.78 and 353,735.62 is: 488,165.00
Step by Step Solution
- Step 1: Write the proportion equation
640,197.07 : 883,489.78 = 353,735.62 : x - Step 2: Convert to fraction form
640,197.07/883,489.78 = 353,735.62/x - Step 3: Cross multiply
640,197.07x = 883,489.78 × 353,735.62 - Step 4: Simplify right side
640,197.07x = 312,521,805,091.96 - Step 5: Solve for x
x = 312,521,805,091.96/640,197.07 - Step 6: Final answer
x = 488,165.00
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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.