Finding the Fourth Proportional to 1,478,408.81, 2,216,782.84 and 467,785.18
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Solution
The fourth proportional to 1,478,408.81, 2,216,782.84 and 467,785.18 is: 701,415.02
Step by Step Solution
- Step 1: Write the proportion equation
1,478,408.81 : 2,216,782.84 = 467,785.18 : x - Step 2: Convert to fraction form
1,478,408.81/2,216,782.84 = 467,785.18/x - Step 3: Cross multiply
1,478,408.81x = 2,216,782.84 × 467,785.18 - Step 4: Simplify right side
1,478,408.81x = 1,036,978,149,839.52 - Step 5: Solve for x
x = 1,036,978,149,839.52/1,478,408.81 - Step 6: Final answer
x = 701,415.02
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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.