Finding the Fourth Proportional to 751,223.04, 1,036,690.80 and 407,059.68
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Solution
The fourth proportional to 751,223.04, 1,036,690.80 and 407,059.68 is: 561,743.99
Step by Step Solution
- Step 1: Write the proportion equation
751,223.04 : 1,036,690.80 = 407,059.68 : x - Step 2: Convert to fraction form
751,223.04/1,036,690.80 = 407,059.68/x - Step 3: Cross multiply
751,223.04x = 1,036,690.80 × 407,059.68 - Step 4: Simplify right side
751,223.04x = 421,995,025,306.94 - Step 5: Solve for x
x = 421,995,025,306.94/751,223.04 - Step 6: Final answer
x = 561,743.99
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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.