Finding the Fourth Proportional to 890,430.60, 1,336,682.70 and 576,193.80
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Solution
The fourth proportional to 890,430.60, 1,336,682.70 and 576,193.80 is: 864,961.61
Step by Step Solution
- Step 1: Write the proportion equation
890,430.60 : 1,336,682.70 = 576,193.80 : x - Step 2: Convert to fraction form
890,430.60/1,336,682.70 = 576,193.80/x - Step 3: Cross multiply
890,430.60x = 1,336,682.70 × 576,193.80 - Step 4: Simplify right side
890,430.60x = 770,188,284,307.26 - Step 5: Solve for x
x = 770,188,284,307.26/890,430.60 - Step 6: Final answer
x = 864,961.61
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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.