Finding the Fourth Proportional to 761,486.06, 1,050,850.77 and 421,954.31
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Solution
The fourth proportional to 761,486.06, 1,050,850.77 and 421,954.31 is: 582,296.95
Step by Step Solution
- Step 1: Write the proportion equation
761,486.06 : 1,050,850.77 = 421,954.31 : x - Step 2: Convert to fraction form
761,486.06/1,050,850.77 = 421,954.31/x - Step 3: Cross multiply
761,486.06x = 1,050,850.77 × 421,954.31 - Step 4: Simplify right side
761,486.06x = 443,411,012,613.12 - Step 5: Solve for x
x = 443,411,012,613.12/761,486.06 - Step 6: Final answer
x = 582,296.95
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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.