Finding the Fourth Proportional to 852,587.64, 1,278,604.58 and 283,815.96
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Solution
The fourth proportional to 852,587.64, 1,278,604.58 and 283,815.96 is: 425,631.77
Step by Step Solution
- Step 1: Write the proportion equation
852,587.64 : 1,278,604.58 = 283,815.96 : x - Step 2: Convert to fraction form
852,587.64/1,278,604.58 = 283,815.96/x - Step 3: Cross multiply
852,587.64x = 1,278,604.58 × 283,815.96 - Step 4: Simplify right side
852,587.64x = 362,888,386,333.10 - Step 5: Solve for x
x = 362,888,386,333.10/852,587.64 - Step 6: Final answer
x = 425,631.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.