Finding the Fourth Proportional to 840,472.96, 1,159,805.64 and 477,845.68
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Solution
The fourth proportional to 840,472.96, 1,159,805.64 and 477,845.68 is: 659,400.29
Step by Step Solution
- Step 1: Write the proportion equation
840,472.96 : 1,159,805.64 = 477,845.68 : x - Step 2: Convert to fraction form
840,472.96/1,159,805.64 = 477,845.68/x - Step 3: Cross multiply
840,472.96x = 1,159,805.64 × 477,845.68 - Step 4: Simplify right side
840,472.96x = 554,208,114,713.64 - Step 5: Solve for x
x = 554,208,114,713.64/840,472.96 - Step 6: Final answer
x = 659,400.29
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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.