Finding the Fourth Proportional to 747,919.44, 1,122,323.04 and 298,852.20
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Solution
The fourth proportional to 747,919.44, 1,122,323.04 and 298,852.20 is: 448,455.66
Step by Step Solution
- Step 1: Write the proportion equation
747,919.44 : 1,122,323.04 = 298,852.20 : x - Step 2: Convert to fraction form
747,919.44/1,122,323.04 = 298,852.20/x - Step 3: Cross multiply
747,919.44x = 1,122,323.04 × 298,852.20 - Step 4: Simplify right side
747,919.44x = 335,408,709,614.69 - Step 5: Solve for x
x = 335,408,709,614.69/747,919.44 - Step 6: Final answer
x = 448,455.66
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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.