Finding the Fourth Proportional to 840,368.71, 1,159,662.18 and 477,742.24
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Solution
The fourth proportional to 840,368.71, 1,159,662.18 and 477,742.24 is: 659,257.78
Step by Step Solution
- Step 1: Write the proportion equation
840,368.71 : 1,159,662.18 = 477,742.24 : x - Step 2: Convert to fraction form
840,368.71/1,159,662.18 = 477,742.24/x - Step 3: Cross multiply
840,368.71x = 1,159,662.18 × 477,742.24 - Step 4: Simplify right side
840,368.71x = 554,019,607,516.48 - Step 5: Solve for x
x = 554,019,607,516.48/840,368.71 - Step 6: Final answer
x = 659,257.78
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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.