Finding the Fourth Proportional to 566,466.75, 781,724.11 and 311,817.94
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Solution
The fourth proportional to 566,466.75, 781,724.11 and 311,817.94 is: 430,308.75
Step by Step Solution
- Step 1: Write the proportion equation
566,466.75 : 781,724.11 = 311,817.94 : x - Step 2: Convert to fraction form
566,466.75/781,724.11 = 311,817.94/x - Step 3: Cross multiply
566,466.75x = 781,724.11 × 311,817.94 - Step 4: Simplify right side
566,466.75x = 243,755,601,628.53 - Step 5: Solve for x
x = 243,755,601,628.53/566,466.75 - Step 6: Final answer
x = 430,308.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.