Finding the Fourth Proportional to 674,390.74, 930,648.36 and 368,460.55
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Solution
The fourth proportional to 674,390.74, 930,648.36 and 368,460.55 is: 508,469.62
Step by Step Solution
- Step 1: Write the proportion equation
674,390.74 : 930,648.36 = 368,460.55 : x - Step 2: Convert to fraction form
674,390.74/930,648.36 = 368,460.55/x - Step 3: Cross multiply
674,390.74x = 930,648.36 × 368,460.55 - Step 4: Simplify right side
674,390.74x = 342,907,206,582.20 - Step 5: Solve for x
x = 342,907,206,582.20/674,390.74 - Step 6: Final answer
x = 508,469.62
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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.