Finding the Fourth Proportional to 568,400.58, 784,391.19 and 313,749.95
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Solution
The fourth proportional to 568,400.58, 784,391.19 and 313,749.95 is: 432,974.04
Step by Step Solution
- Step 1: Write the proportion equation
568,400.58 : 784,391.19 = 313,749.95 : x - Step 2: Convert to fraction form
568,400.58/784,391.19 = 313,749.95/x - Step 3: Cross multiply
568,400.58x = 784,391.19 × 313,749.95 - Step 4: Simplify right side
568,400.58x = 246,102,692,720.99 - Step 5: Solve for x
x = 246,102,692,720.99/568,400.58 - Step 6: Final answer
x = 432,974.04
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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.