Finding the Fourth Proportional to 589,969.70, 885,415.35 and 274,465.70
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Solution
The fourth proportional to 589,969.70, 885,415.35 and 274,465.70 is: 411,912.92
Step by Step Solution
- Step 1: Write the proportion equation
589,969.70 : 885,415.35 = 274,465.70 : x - Step 2: Convert to fraction form
589,969.70/885,415.35 = 274,465.70/x - Step 3: Cross multiply
589,969.70x = 885,415.35 × 274,465.70 - Step 4: Simplify right side
589,969.70x = 243,016,143,828.50 - Step 5: Solve for x
x = 243,016,143,828.50/589,969.70 - Step 6: Final answer
x = 411,912.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.