Finding the Fourth Proportional to 847,052.18, 1,168,928.62 and 484,475.54
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Solution
The fourth proportional to 847,052.18, 1,168,928.62 and 484,475.54 is: 668,574.31
Step by Step Solution
- Step 1: Write the proportion equation
847,052.18 : 1,168,928.62 = 484,475.54 : x - Step 2: Convert to fraction form
847,052.18/1,168,928.62 = 484,475.54/x - Step 3: Cross multiply
847,052.18x = 1,168,928.62 × 484,475.54 - Step 4: Simplify right side
847,052.18x = 566,317,324,395.96 - Step 5: Solve for x
x = 566,317,324,395.96/847,052.18 - Step 6: Final answer
x = 668,574.31
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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.