Finding the Fourth Proportional to 538,708.84, 743,423.36 and 297,000.28
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Solution
The fourth proportional to 538,708.84, 743,423.36 and 297,000.28 is: 409,863.23
Step by Step Solution
- Step 1: Write the proportion equation
538,708.84 : 743,423.36 = 297,000.28 : x - Step 2: Convert to fraction form
538,708.84/743,423.36 = 297,000.28/x - Step 3: Cross multiply
538,708.84x = 743,423.36 × 297,000.28 - Step 4: Simplify right side
538,708.84x = 220,796,946,078.54 - Step 5: Solve for x
x = 220,796,946,078.54/538,708.84 - Step 6: Final answer
x = 409,863.23
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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.