Finding the Fourth Proportional to 664,490.60, 996,881.70 and 327,692.60
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Solution
The fourth proportional to 664,490.60, 996,881.70 and 327,692.60 is: 491,610.80
Step by Step Solution
- Step 1: Write the proportion equation
664,490.60 : 996,881.70 = 327,692.60 : x - Step 2: Convert to fraction form
664,490.60/996,881.70 = 327,692.60/x - Step 3: Cross multiply
664,490.60x = 996,881.70 × 327,692.60 - Step 4: Simplify right side
664,490.60x = 326,670,756,165.42 - Step 5: Solve for x
x = 326,670,756,165.42/664,490.60 - Step 6: Final answer
x = 491,610.80
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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.