Finding the Fourth Proportional to 742,691.94, 1,112,592.42 and 547,589.84
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Solution
The fourth proportional to 742,691.94, 1,112,592.42 and 547,589.84 is: 820,318.99
Step by Step Solution
- Step 1: Write the proportion equation
742,691.94 : 1,112,592.42 = 547,589.84 : x - Step 2: Convert to fraction form
742,691.94/1,112,592.42 = 547,589.84/x - Step 3: Cross multiply
742,691.94x = 1,112,592.42 × 547,589.84 - Step 4: Simplify right side
742,691.94x = 609,244,299,690.05 - Step 5: Solve for x
x = 609,244,299,690.05/742,691.94 - Step 6: Final answer
x = 820,318.99
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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.