Finding the Fourth Proportional to 860,812.92, 1,292,028.36 and 450,776.54
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Solution
The fourth proportional to 860,812.92, 1,292,028.36 and 450,776.54 is: 676,588.44
Step by Step Solution
- Step 1: Write the proportion equation
860,812.92 : 1,292,028.36 = 450,776.54 : x - Step 2: Convert to fraction form
860,812.92/1,292,028.36 = 450,776.54/x - Step 3: Cross multiply
860,812.92x = 1,292,028.36 × 450,776.54 - Step 4: Simplify right side
860,812.92x = 582,416,073,702.68 - Step 5: Solve for x
x = 582,416,073,702.68/860,812.92 - Step 6: Final answer
x = 676,588.44
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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.