Finding the Fourth Proportional to 637,272.20, 955,908.30 and 548,625.80
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Solution
The fourth proportional to 637,272.20, 955,908.30 and 548,625.80 is: 822,938.70
Step by Step Solution
- Step 1: Write the proportion equation
637,272.20 : 955,908.30 = 548,625.80 : x - Step 2: Convert to fraction form
637,272.20/955,908.30 = 548,625.80/x - Step 3: Cross multiply
637,272.20x = 955,908.30 × 548,625.80 - Step 4: Simplify right side
637,272.20x = 524,435,955,814.14 - Step 5: Solve for x
x = 524,435,955,814.14/637,272.20 - Step 6: Final answer
x = 822,938.70
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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.