Finding the Fourth Proportional to 664,175.70, 996,263.55 and 454,223.70
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Solution
The fourth proportional to 664,175.70, 996,263.55 and 454,223.70 is: 681,335.55
Step by Step Solution
- Step 1: Write the proportion equation
664,175.70 : 996,263.55 = 454,223.70 : x - Step 2: Convert to fraction form
664,175.70/996,263.55 = 454,223.70/x - Step 3: Cross multiply
664,175.70x = 996,263.55 × 454,223.70 - Step 4: Simplify right side
664,175.70x = 452,526,515,856.14 - Step 5: Solve for x
x = 452,526,515,856.14/664,175.70 - Step 6: Final answer
x = 681,335.55
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.