Finding the Fourth Proportional to 764,638.79, 1,146,883.98 and 232,164.44
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Solution
The fourth proportional to 764,638.79, 1,146,883.98 and 232,164.44 is: 348,224.12
Step by Step Solution
- Step 1: Write the proportion equation
764,638.79 : 1,146,883.98 = 232,164.44 : x - Step 2: Convert to fraction form
764,638.79/1,146,883.98 = 232,164.44/x - Step 3: Cross multiply
764,638.79x = 1,146,883.98 × 232,164.44 - Step 4: Simplify right side
764,638.79x = 266,265,671,227.25 - Step 5: Solve for x
x = 266,265,671,227.25/764,638.79 - Step 6: Final answer
x = 348,224.12
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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.