Finding the Fourth Proportional to 983,629.18, 1,475,642.66 and 415,011.68
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Solution
The fourth proportional to 983,629.18, 1,475,642.66 and 415,011.68 is: 622,601.44
Step by Step Solution
- Step 1: Write the proportion equation
983,629.18 : 1,475,642.66 = 415,011.68 : x - Step 2: Convert to fraction form
983,629.18/1,475,642.66 = 415,011.68/x - Step 3: Cross multiply
983,629.18x = 1,475,642.66 × 415,011.68 - Step 4: Simplify right side
983,629.18x = 612,408,939,406.27 - Step 5: Solve for x
x = 612,408,939,406.27/983,629.18 - Step 6: Final answer
x = 622,601.44
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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.