Finding the Fourth Proportional to 972,978.96, 1,342,793.99 and 543,342.13
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Solution
The fourth proportional to 972,978.96, 1,342,793.99 and 543,342.13 is: 749,858.50
Step by Step Solution
- Step 1: Write the proportion equation
972,978.96 : 1,342,793.99 = 543,342.13 : x - Step 2: Convert to fraction form
972,978.96/1,342,793.99 = 543,342.13/x - Step 3: Cross multiply
972,978.96x = 1,342,793.99 × 543,342.13 - Step 4: Simplify right side
972,978.96x = 729,596,544,679.17 - Step 5: Solve for x
x = 729,596,544,679.17/972,978.96 - Step 6: Final answer
x = 749,858.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.