Finding the Fourth Proportional to 616,699.68, 925,035.12 and 284,275.68
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Solution
The fourth proportional to 616,699.68, 925,035.12 and 284,275.68 is: 426,406.88
Step by Step Solution
- Step 1: Write the proportion equation
616,699.68 : 925,035.12 = 284,275.68 : x - Step 2: Convert to fraction form
616,699.68/925,035.12 = 284,275.68/x - Step 3: Cross multiply
616,699.68x = 925,035.12 × 284,275.68 - Step 4: Simplify right side
616,699.68x = 262,964,987,761.88 - Step 5: Solve for x
x = 262,964,987,761.88/616,699.68 - Step 6: Final answer
x = 426,406.88
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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.