Finding the Fourth Proportional to 719,181.96, 1,078,889.98 and 269,938.12
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Solution
The fourth proportional to 719,181.96, 1,078,889.98 and 269,938.12 is: 404,951.11
Step by Step Solution
- Step 1: Write the proportion equation
719,181.96 : 1,078,889.98 = 269,938.12 : x - Step 2: Convert to fraction form
719,181.96/1,078,889.98 = 269,938.12/x - Step 3: Cross multiply
719,181.96x = 1,078,889.98 × 269,938.12 - Step 4: Simplify right side
719,181.96x = 291,233,532,888.04 - Step 5: Solve for x
x = 291,233,532,888.04/719,181.96 - Step 6: Final answer
x = 404,951.11
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1.5x scale
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.