Finding the Fourth Proportional to 504,938.24, 696,801.12 and 278,578.88
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Solution
The fourth proportional to 504,938.24, 696,801.12 and 278,578.88 is: 384,431.32
Step by Step Solution
- Step 1: Write the proportion equation
504,938.24 : 696,801.12 = 278,578.88 : x - Step 2: Convert to fraction form
504,938.24/696,801.12 = 278,578.88/x - Step 3: Cross multiply
504,938.24x = 696,801.12 × 278,578.88 - Step 4: Simplify right side
504,938.24x = 194,114,075,592.35 - Step 5: Solve for x
x = 194,114,075,592.35/504,938.24 - Step 6: Final answer
x = 384,431.32
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1.5x scale
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.