Finding the Fourth Proportional to 635,431.74, 953,366.34 and 398,497.02
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Solution
The fourth proportional to 635,431.74, 953,366.34 and 398,497.02 is: 597,882.70
Step by Step Solution
- Step 1: Write the proportion equation
635,431.74 : 953,366.34 = 398,497.02 : x - Step 2: Convert to fraction form
635,431.74/953,366.34 = 398,497.02/x - Step 3: Cross multiply
635,431.74x = 953,366.34 × 398,497.02 - Step 4: Simplify right side
635,431.74x = 379,913,645,458.31 - Step 5: Solve for x
x = 379,913,645,458.31/635,431.74 - Step 6: Final answer
x = 597,882.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.