Finding the Fourth Proportional to 949,345.18, 1,423,836.33 and 284,497.18
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Solution
The fourth proportional to 949,345.18, 1,423,836.33 and 284,497.18 is: 426,691.39
Step by Step Solution
- Step 1: Write the proportion equation
949,345.18 : 1,423,836.33 = 284,497.18 : x - Step 2: Convert to fraction form
949,345.18/1,423,836.33 = 284,497.18/x - Step 3: Cross multiply
949,345.18x = 1,423,836.33 × 284,497.18 - Step 4: Simplify right side
949,345.18x = 405,077,416,040.09 - Step 5: Solve for x
x = 405,077,416,040.09/949,345.18 - Step 6: Final answer
x = 426,691.39
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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.