Finding the Fourth Proportional to 651,744.80, 977,617.20 and 277,719.20
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Solution
The fourth proportional to 651,744.80, 977,617.20 and 277,719.20 is: 416,578.80
Step by Step Solution
- Step 1: Write the proportion equation
651,744.80 : 977,617.20 = 277,719.20 : x - Step 2: Convert to fraction form
651,744.80/977,617.20 = 277,719.20/x - Step 3: Cross multiply
651,744.80x = 977,617.20 × 277,719.20 - Step 4: Simplify right side
651,744.80x = 271,503,066,690.24 - Step 5: Solve for x
x = 271,503,066,690.24/651,744.80 - Step 6: Final answer
x = 416,578.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.