Finding the Fourth Proportional to 930,152.97, 1,283,856.48 and 548,433.99
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Solution
The fourth proportional to 930,152.97, 1,283,856.48 and 548,433.99 is: 756,983.59
Step by Step Solution
- Step 1: Write the proportion equation
930,152.97 : 1,283,856.48 = 548,433.99 : x - Step 2: Convert to fraction form
930,152.97/1,283,856.48 = 548,433.99/x - Step 3: Cross multiply
930,152.97x = 1,283,856.48 × 548,433.99 - Step 4: Simplify right side
930,152.97x = 704,110,531,913.76 - Step 5: Solve for x
x = 704,110,531,913.76/930,152.97 - Step 6: Final answer
x = 756,983.59
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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.