Finding the Fourth Proportional to 757,340.75, 1,045,130.18 and 417,809.00
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Solution
The fourth proportional to 757,340.75, 1,045,130.18 and 417,809.00 is: 576,576.39
Step by Step Solution
- Step 1: Write the proportion equation
757,340.75 : 1,045,130.18 = 417,809.00 : x - Step 2: Convert to fraction form
757,340.75/1,045,130.18 = 417,809.00/x - Step 3: Cross multiply
757,340.75x = 1,045,130.18 × 417,809.00 - Step 4: Simplify right side
757,340.75x = 436,664,795,899.40 - Step 5: Solve for x
x = 436,664,795,899.40/757,340.75 - Step 6: Final answer
x = 576,576.39
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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.