Finding the Fourth Proportional to 663,893.80, 994,652.70 and 403,757.80
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Solution
The fourth proportional to 663,893.80, 994,652.70 and 403,757.80 is: 604,914.20
Step by Step Solution
- Step 1: Write the proportion equation
663,893.80 : 994,652.70 = 403,757.80 : x - Step 2: Convert to fraction form
663,893.80/994,652.70 = 403,757.80/x - Step 3: Cross multiply
663,893.80x = 994,652.70 × 403,757.80 - Step 4: Simplify right side
663,893.80x = 401,598,785,916.06 - Step 5: Solve for x
x = 401,598,785,916.06/663,893.80 - Step 6: Final answer
x = 604,914.20
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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.