Finding the Fourth Proportional to 1,022,729.36, 1,534,083.91 and 391,643.18
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Solution
The fourth proportional to 1,022,729.36, 1,534,083.91 and 391,643.18 is: 587,460.88
Step by Step Solution
- Step 1: Write the proportion equation
1,022,729.36 : 1,534,083.91 = 391,643.18 : x - Step 2: Convert to fraction form
1,022,729.36/1,534,083.91 = 391,643.18/x - Step 3: Cross multiply
1,022,729.36x = 1,534,083.91 × 391,643.18 - Step 4: Simplify right side
1,022,729.36x = 600,813,493,687.91 - Step 5: Solve for x
x = 600,813,493,687.91/1,022,729.36 - Step 6: Final answer
x = 587,460.88
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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.