Finding the Fourth Proportional to 709,833.63, 979,593.57 and 387,568.23
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Solution
The fourth proportional to 709,833.63, 979,593.57 and 387,568.23 is: 534,856.80
Step by Step Solution
- Step 1: Write the proportion equation
709,833.63 : 979,593.57 = 387,568.23 : x - Step 2: Convert to fraction form
709,833.63/979,593.57 = 387,568.23/x - Step 3: Cross multiply
709,833.63x = 979,593.57 × 387,568.23 - Step 4: Simplify right side
709,833.63x = 379,659,346,044.28 - Step 5: Solve for x
x = 379,659,346,044.28/709,833.63 - Step 6: Final answer
x = 534,856.80
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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.