Finding the Fourth Proportional to 867,539.46, 1,295,403.99 and 765,487.02
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Solution
The fourth proportional to 867,539.46, 1,295,403.99 and 765,487.02 is: 1,143,019.98
Step by Step Solution
- Step 1: Write the proportion equation
867,539.46 : 1,295,403.99 = 765,487.02 : x - Step 2: Convert to fraction form
867,539.46/1,295,403.99 = 765,487.02/x - Step 3: Cross multiply
867,539.46x = 1,295,403.99 × 765,487.02 - Step 4: Simplify right side
867,539.46x = 991,614,940,001.21 - Step 5: Solve for x
x = 991,614,940,001.21/867,539.46 - Step 6: Final answer
x = 1,143,019.98
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.