Finding the Fourth Proportional to 802,557.87, 1,107,517.26 and 439,984.71
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Solution
The fourth proportional to 802,557.87, 1,107,517.26 and 439,984.71 is: 607,171.99
Step by Step Solution
- Step 1: Write the proportion equation
802,557.87 : 1,107,517.26 = 439,984.71 : x - Step 2: Convert to fraction form
802,557.87/1,107,517.26 = 439,984.71/x - Step 3: Cross multiply
802,557.87x = 1,107,517.26 × 439,984.71 - Step 4: Simplify right side
802,557.87x = 487,290,660,461.10 - Step 5: Solve for x
x = 487,290,660,461.10/802,557.87 - Step 6: Final answer
x = 607,171.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.