Finding the Fourth Proportional to 658,122.94, 986,459.86 and 430,324.62
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Solution
The fourth proportional to 658,122.94, 986,459.86 and 430,324.62 is: 645,013.17
Step by Step Solution
- Step 1: Write the proportion equation
658,122.94 : 986,459.86 = 430,324.62 : x - Step 2: Convert to fraction form
658,122.94/986,459.86 = 430,324.62/x - Step 3: Cross multiply
658,122.94x = 986,459.86 × 430,324.62 - Step 4: Simplify right side
658,122.94x = 424,497,964,399.75 - Step 5: Solve for x
x = 424,497,964,399.75/658,122.94 - Step 6: Final answer
x = 645,013.17
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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.