Finding the Fourth Proportional to 719,177.32, 1,079,428.56 and 364,442.68
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Solution
The fourth proportional to 719,177.32, 1,079,428.56 and 364,442.68 is: 546,999.78
Step by Step Solution
- Step 1: Write the proportion equation
719,177.32 : 1,079,428.56 = 364,442.68 : x - Step 2: Convert to fraction form
719,177.32/1,079,428.56 = 364,442.68/x - Step 3: Cross multiply
719,177.32x = 1,079,428.56 × 364,442.68 - Step 4: Simplify right side
719,177.32x = 393,389,837,274.94 - Step 5: Solve for x
x = 393,389,837,274.94/719,177.32 - Step 6: Final answer
x = 546,999.78
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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.