Finding the Fourth Proportional to 1,028,163.06, 1,418,862.69 and 569,301.30
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Solution
The fourth proportional to 1,028,163.06, 1,418,862.69 and 569,301.30 is: 785,634.50
Step by Step Solution
- Step 1: Write the proportion equation
1,028,163.06 : 1,418,862.69 = 569,301.30 : x - Step 2: Convert to fraction form
1,028,163.06/1,418,862.69 = 569,301.30/x - Step 3: Cross multiply
1,028,163.06x = 1,418,862.69 × 569,301.30 - Step 4: Simplify right side
1,028,163.06x = 807,760,373,938.50 - Step 5: Solve for x
x = 807,760,373,938.50/1,028,163.06 - Step 6: Final answer
x = 785,634.50
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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.