Finding the Fourth Proportional to 916,135.99, 1,373,539.68 and 615,871.82
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Solution
The fourth proportional to 916,135.99, 1,373,539.68 and 615,871.82 is: 923,361.16
Step by Step Solution
- Step 1: Write the proportion equation
916,135.99 : 1,373,539.68 = 615,871.82 : x - Step 2: Convert to fraction form
916,135.99/1,373,539.68 = 615,871.82/x - Step 3: Cross multiply
916,135.99x = 1,373,539.68 × 615,871.82 - Step 4: Simplify right side
916,135.99x = 845,924,385,997.67 - Step 5: Solve for x
x = 845,924,385,997.67/916,135.99 - Step 6: Final answer
x = 923,361.16
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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.