Finding the Fourth Proportional to 930,614.26, 1,283,920.62 and 608,512.90
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Solution
The fourth proportional to 930,614.26, 1,283,920.62 and 608,512.90 is: 839,533.94
Step by Step Solution
- Step 1: Write the proportion equation
930,614.26 : 1,283,920.62 = 608,512.90 : x - Step 2: Convert to fraction form
930,614.26/1,283,920.62 = 608,512.90/x - Step 3: Cross multiply
930,614.26x = 1,283,920.62 × 608,512.90 - Step 4: Simplify right side
930,614.26x = 781,282,259,846.00 - Step 5: Solve for x
x = 781,282,259,846.00/930,614.26 - Step 6: Final answer
x = 839,533.94
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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.