Finding the Fourth Proportional to 929,156.88, 1,393,658.76 and 658,165.70
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Solution
The fourth proportional to 929,156.88, 1,393,658.76 and 658,165.70 is: 987,194.32
Step by Step Solution
- Step 1: Write the proportion equation
929,156.88 : 1,393,658.76 = 658,165.70 : x - Step 2: Convert to fraction form
929,156.88/1,393,658.76 = 658,165.70/x - Step 3: Cross multiply
929,156.88x = 1,393,658.76 × 658,165.70 - Step 4: Simplify right side
929,156.88x = 917,258,393,336.53 - Step 5: Solve for x
x = 917,258,393,336.53/929,156.88 - Step 6: Final answer
x = 987,194.32
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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.