Finding the Fourth Proportional to 757,457.28, 1,045,669.83 and 471,069.63
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Solution
The fourth proportional to 757,457.28, 1,045,669.83 and 471,069.63 is: 650,311.66
Step by Step Solution
- Step 1: Write the proportion equation
757,457.28 : 1,045,669.83 = 471,069.63 : x - Step 2: Convert to fraction form
757,457.28/1,045,669.83 = 471,069.63/x - Step 3: Cross multiply
757,457.28x = 1,045,669.83 × 471,069.63 - Step 4: Simplify right side
757,457.28x = 492,583,299,920.26 - Step 5: Solve for x
x = 492,583,299,920.26/757,457.28 - Step 6: Final answer
x = 650,311.66
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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.