Finding the Fourth Proportional to 840,534.64, 1,159,912.91 and 477,998.08
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Solution
The fourth proportional to 840,534.64, 1,159,912.91 and 477,998.08 is: 659,623.19
Step by Step Solution
- Step 1: Write the proportion equation
840,534.64 : 1,159,912.91 = 477,998.08 : x - Step 2: Convert to fraction form
840,534.64/1,159,912.91 = 477,998.08/x - Step 3: Cross multiply
840,534.64x = 1,159,912.91 × 477,998.08 - Step 4: Simplify right side
840,534.64x = 554,436,143,947.21 - Step 5: Solve for x
x = 554,436,143,947.21/840,534.64 - Step 6: Final answer
x = 659,623.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.