Finding the Fourth Proportional to 737,688.84, 1,018,000.56 and 415,402.80
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Solution
The fourth proportional to 737,688.84, 1,018,000.56 and 415,402.80 is: 573,250.21
Step by Step Solution
- Step 1: Write the proportion equation
737,688.84 : 1,018,000.56 = 415,402.80 : x - Step 2: Convert to fraction form
737,688.84/1,018,000.56 = 415,402.80/x - Step 3: Cross multiply
737,688.84x = 1,018,000.56 × 415,402.80 - Step 4: Simplify right side
737,688.84x = 422,880,283,025.57 - Step 5: Solve for x
x = 422,880,283,025.57/737,688.84 - Step 6: Final answer
x = 573,250.21
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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.