Finding the Fourth Proportional to 674,388.05, 930,644.49 and 368,457.84
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Solution
The fourth proportional to 674,388.05, 930,644.49 and 368,457.84 is: 508,465.80
Step by Step Solution
- Step 1: Write the proportion equation
674,388.05 : 930,644.49 = 368,457.84 : x - Step 2: Convert to fraction form
674,388.05/930,644.49 = 368,457.84/x - Step 3: Cross multiply
674,388.05x = 930,644.49 × 368,457.84 - Step 4: Simplify right side
674,388.05x = 342,903,258,593.30 - Step 5: Solve for x
x = 342,903,258,593.30/674,388.05 - Step 6: Final answer
x = 508,465.80
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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.