Finding the Fourth Proportional to 478,835.44, 716,478.98 and 383,777.31
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Solution
The fourth proportional to 478,835.44, 716,478.98 and 383,777.31 is: 574,243.99
Step by Step Solution
- Step 1: Write the proportion equation
478,835.44 : 716,478.98 = 383,777.31 : x - Step 2: Convert to fraction form
478,835.44/716,478.98 = 383,777.31/x - Step 3: Cross multiply
478,835.44x = 716,478.98 × 383,777.31 - Step 4: Simplify right side
478,835.44x = 274,968,373,697.06 - Step 5: Solve for x
x = 274,968,373,697.06/478,835.44 - Step 6: Final answer
x = 574,243.99
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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.