Finding the Fourth Proportional to 651,740.80, 977,611.20 and 277,715.20
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Solution
The fourth proportional to 651,740.80, 977,611.20 and 277,715.20 is: 416,572.80
Step by Step Solution
- Step 1: Write the proportion equation
651,740.80 : 977,611.20 = 277,715.20 : x - Step 2: Convert to fraction form
651,740.80/977,611.20 = 277,715.20/x - Step 3: Cross multiply
651,740.80x = 977,611.20 × 277,715.20 - Step 4: Simplify right side
651,740.80x = 271,497,489,930.24 - Step 5: Solve for x
x = 271,497,489,930.24/651,740.80 - Step 6: Final answer
x = 416,572.80
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1.5x scale
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.