Finding the Fourth Proportional to 775,847.40, 1,070,652.62 and 449,174.18
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Solution
The fourth proportional to 775,847.40, 1,070,652.62 and 449,174.18 is: 619,850.65
Step by Step Solution
- Step 1: Write the proportion equation
775,847.40 : 1,070,652.62 = 449,174.18 : x - Step 2: Convert to fraction form
775,847.40/1,070,652.62 = 449,174.18/x - Step 3: Cross multiply
775,847.40x = 1,070,652.62 × 449,174.18 - Step 4: Simplify right side
775,847.40x = 480,909,516,452.92 - Step 5: Solve for x
x = 480,909,516,452.92/775,847.40 - Step 6: Final answer
x = 619,850.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.