Finding the Fourth Proportional to 1,028,327.40, 1,544,855.94 and 725,418.72
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Solution
The fourth proportional to 1,028,327.40, 1,544,855.94 and 725,418.72 is: 1,089,796.32
Step by Step Solution
- Step 1: Write the proportion equation
1,028,327.40 : 1,544,855.94 = 725,418.72 : x - Step 2: Convert to fraction form
1,028,327.40/1,544,855.94 = 725,418.72/x - Step 3: Cross multiply
1,028,327.40x = 1,544,855.94 × 725,418.72 - Step 4: Simplify right side
1,028,327.40x = 1,120,667,418,579.20 - Step 5: Solve for x
x = 1,120,667,418,579.20/1,028,327.40 - Step 6: Final answer
x = 1,089,796.32
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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.