Finding the Fourth Proportional to 734,252.26, 1,013,332.24 and 428,427.17
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Solution
The fourth proportional to 734,252.26, 1,013,332.24 and 428,427.17 is: 591,266.90
Step by Step Solution
- Step 1: Write the proportion equation
734,252.26 : 1,013,332.24 = 428,427.17 : x - Step 2: Convert to fraction form
734,252.26/1,013,332.24 = 428,427.17/x - Step 3: Cross multiply
734,252.26x = 1,013,332.24 × 428,427.17 - Step 4: Simplify right side
734,252.26x = 434,139,057,715.23 - Step 5: Solve for x
x = 434,139,057,715.23/734,252.26 - Step 6: Final answer
x = 591,266.90
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1.5x scale
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.