Finding the Fourth Proportional to 757,382.23, 1,135,209.47 and 473,203.45
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Solution
The fourth proportional to 757,382.23, 1,135,209.47 and 473,203.45 is: 709,265.43
Step by Step Solution
- Step 1: Write the proportion equation
757,382.23 : 1,135,209.47 = 473,203.45 : x - Step 2: Convert to fraction form
757,382.23/1,135,209.47 = 473,203.45/x - Step 3: Cross multiply
757,382.23x = 1,135,209.47 × 473,203.45 - Step 4: Simplify right side
757,382.23x = 537,185,033,183.63 - Step 5: Solve for x
x = 537,185,033,183.63/757,382.23 - Step 6: Final answer
x = 709,265.43
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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.