Finding the Fourth Proportional to 755,898.37, 1,043,139.80 and 416,366.62
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Solution
The fourth proportional to 755,898.37, 1,043,139.80 and 416,366.62 is: 574,585.96
Step by Step Solution
- Step 1: Write the proportion equation
755,898.37 : 1,043,139.80 = 416,366.62 : x - Step 2: Convert to fraction form
755,898.37/1,043,139.80 = 416,366.62/x - Step 3: Cross multiply
755,898.37x = 1,043,139.80 × 416,366.62 - Step 4: Simplify right side
755,898.37x = 434,328,591,146.54 - Step 5: Solve for x
x = 434,328,591,146.54/755,898.37 - Step 6: Final answer
x = 574,585.96
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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.