Finding the Fourth Proportional to 712,442.67, 983,163.50 and 385,750.08
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Solution
The fourth proportional to 712,442.67, 983,163.50 and 385,750.08 is: 532,331.11
Step by Step Solution
- Step 1: Write the proportion equation
712,442.67 : 983,163.50 = 385,750.08 : x - Step 2: Convert to fraction form
712,442.67/983,163.50 = 385,750.08/x - Step 3: Cross multiply
712,442.67x = 983,163.50 × 385,750.08 - Step 4: Simplify right side
712,442.67x = 379,255,398,778.08 - Step 5: Solve for x
x = 379,255,398,778.08/712,442.67 - Step 6: Final answer
x = 532,331.11
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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.