Finding the Fourth Proportional to 809,318.18, 1,116,859.32 and 446,742.28
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Solution
The fourth proportional to 809,318.18, 1,116,859.32 and 446,742.28 is: 616,504.47
Step by Step Solution
- Step 1: Write the proportion equation
809,318.18 : 1,116,859.32 = 446,742.28 : x - Step 2: Convert to fraction form
809,318.18/1,116,859.32 = 446,742.28/x - Step 3: Cross multiply
809,318.18x = 1,116,859.32 × 446,742.28 - Step 4: Simplify right side
809,318.18x = 498,948,279,056.05 - Step 5: Solve for x
x = 498,948,279,056.05/809,318.18 - Step 6: Final answer
x = 616,504.47
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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.