Finding the Fourth Proportional to 1,453,238.98, 2,179,687.16 and 388,363.18
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Solution
The fourth proportional to 1,453,238.98, 2,179,687.16 and 388,363.18 is: 582,498.99
Step by Step Solution
- Step 1: Write the proportion equation
1,453,238.98 : 2,179,687.16 = 388,363.18 : x - Step 2: Convert to fraction form
1,453,238.98/2,179,687.16 = 388,363.18/x - Step 3: Cross multiply
1,453,238.98x = 2,179,687.16 × 388,363.18 - Step 4: Simplify right side
1,453,238.98x = 846,510,236,862.77 - Step 5: Solve for x
x = 846,510,236,862.77/1,453,238.98 - Step 6: Final answer
x = 582,498.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.