Finding the Fourth Proportional to 587,197.88, 810,328.62 and 318,927.80
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Solution
The fourth proportional to 587,197.88, 810,328.62 and 318,927.80 is: 440,117.94
Step by Step Solution
- Step 1: Write the proportion equation
587,197.88 : 810,328.62 = 318,927.80 : x - Step 2: Convert to fraction form
587,197.88/810,328.62 = 318,927.80/x - Step 3: Cross multiply
587,197.88x = 810,328.62 × 318,927.80 - Step 4: Simplify right side
587,197.88x = 258,436,324,053.64 - Step 5: Solve for x
x = 258,436,324,053.64/587,197.88 - Step 6: Final answer
x = 440,117.94
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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.