Finding the Fourth Proportional to 770,688.36, 1,062,847.26 and 661,758.66
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Solution
The fourth proportional to 770,688.36, 1,062,847.26 and 661,758.66 is: 912,623.59
Step by Step Solution
- Step 1: Write the proportion equation
770,688.36 : 1,062,847.26 = 661,758.66 : x - Step 2: Convert to fraction form
770,688.36/1,062,847.26 = 661,758.66/x - Step 3: Cross multiply
770,688.36x = 1,062,847.26 × 661,758.66 - Step 4: Simplify right side
770,688.36x = 703,348,378,562.27 - Step 5: Solve for x
x = 703,348,378,562.27/770,688.36 - Step 6: Final answer
x = 912,623.59
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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.