Finding the Fourth Proportional to 674,584.32, 930,928.76 and 368,660.84
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Solution
The fourth proportional to 674,584.32, 930,928.76 and 368,660.84 is: 508,753.27
Step by Step Solution
- Step 1: Write the proportion equation
674,584.32 : 930,928.76 = 368,660.84 : x - Step 2: Convert to fraction form
674,584.32/930,928.76 = 368,660.84/x - Step 3: Cross multiply
674,584.32x = 930,928.76 × 368,660.84 - Step 4: Simplify right side
674,584.32x = 343,196,978,641.76 - Step 5: Solve for x
x = 343,196,978,641.76/674,584.32 - Step 6: Final answer
x = 508,753.27
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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.