Finding the Fourth Proportional to 1,657,877.63, 2,486,816.30 and 459,799.92
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Solution
The fourth proportional to 1,657,877.63, 2,486,816.30 and 459,799.92 is: 689,699.84
Step by Step Solution
- Step 1: Write the proportion equation
1,657,877.63 : 2,486,816.30 = 459,799.92 : x - Step 2: Convert to fraction form
1,657,877.63/2,486,816.30 = 459,799.92/x - Step 3: Cross multiply
1,657,877.63x = 2,486,816.30 × 459,799.92 - Step 4: Simplify right side
1,657,877.63x = 1,143,437,933,495.70 - Step 5: Solve for x
x = 1,143,437,933,495.70/1,657,877.63 - Step 6: Final answer
x = 689,699.84
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1.5x scale
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.