Finding the Fourth Proportional to 519,639.62, 717,163.18 and 432,270.38
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Solution
The fourth proportional to 519,639.62, 717,163.18 and 432,270.38 is: 596,583.46
Step by Step Solution
- Step 1: Write the proportion equation
519,639.62 : 717,163.18 = 432,270.38 : x - Step 2: Convert to fraction form
519,639.62/717,163.18 = 432,270.38/x - Step 3: Cross multiply
519,639.62x = 717,163.18 × 432,270.38 - Step 4: Simplify right side
519,639.62x = 310,008,400,340.61 - Step 5: Solve for x
x = 310,008,400,340.61/519,639.62 - Step 6: Final answer
x = 596,583.46
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1.5x scale
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.