Finding the Fourth Proportional to 651,746.80, 977,620.20 and 277,721.20
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Solution
The fourth proportional to 651,746.80, 977,620.20 and 277,721.20 is: 416,581.80
Step by Step Solution
- Step 1: Write the proportion equation
651,746.80 : 977,620.20 = 277,721.20 : x - Step 2: Convert to fraction form
651,746.80/977,620.20 = 277,721.20/x - Step 3: Cross multiply
651,746.80x = 977,620.20 × 277,721.20 - Step 4: Simplify right side
651,746.80x = 271,505,855,088.24 - Step 5: Solve for x
x = 271,505,855,088.24/651,746.80 - Step 6: Final answer
x = 416,581.80
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Similar ratio
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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.