Finding the Fourth Proportional to 713,634.97, 984,829.77 and 391,325.84
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Solution
The fourth proportional to 713,634.97, 984,829.77 and 391,325.84 is: 540,037.07
Step by Step Solution
- Step 1: Write the proportion equation
713,634.97 : 984,829.77 = 391,325.84 : x - Step 2: Convert to fraction form
713,634.97/984,829.77 = 391,325.84/x - Step 3: Cross multiply
713,634.97x = 984,829.77 × 391,325.84 - Step 4: Simplify right side
713,634.97x = 385,389,335,045.63 - Step 5: Solve for x
x = 385,389,335,045.63/713,634.97 - Step 6: Final answer
x = 540,037.07
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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.