Finding the Fourth Proportional to 566,268.78, 781,451.04 and 311,619.97
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Solution
The fourth proportional to 566,268.78, 781,451.04 and 311,619.97 is: 430,035.62
Step by Step Solution
- Step 1: Write the proportion equation
566,268.78 : 781,451.04 = 311,619.97 : x - Step 2: Convert to fraction form
566,268.78/781,451.04 = 311,619.97/x - Step 3: Cross multiply
566,268.78x = 781,451.04 × 311,619.97 - Step 4: Simplify right side
566,268.78x = 243,515,745,734.01 - Step 5: Solve for x
x = 243,515,745,734.01/566,268.78 - Step 6: Final answer
x = 430,035.62
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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.