Finding the Fourth Proportional to 742,315.73, 1,114,033.37 and 543,149.96
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Solution
The fourth proportional to 742,315.73, 1,114,033.37 and 543,149.96 is: 815,134.52
Step by Step Solution
- Step 1: Write the proportion equation
742,315.73 : 1,114,033.37 = 543,149.96 : x - Step 2: Convert to fraction form
742,315.73/1,114,033.37 = 543,149.96/x - Step 3: Cross multiply
742,315.73x = 1,114,033.37 × 543,149.96 - Step 4: Simplify right side
742,315.73x = 605,087,172,068.25 - Step 5: Solve for x
x = 605,087,172,068.25/742,315.73 - Step 6: Final answer
x = 815,134.52
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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.