Finding the Fourth Proportional to 751,202.19, 1,036,659.93 and 407,037.87
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Solution
The fourth proportional to 751,202.19, 1,036,659.93 and 407,037.87 is: 561,712.75
Step by Step Solution
- Step 1: Write the proportion equation
751,202.19 : 1,036,659.93 = 407,037.87 : x - Step 2: Convert to fraction form
751,202.19/1,036,659.93 = 407,037.87/x - Step 3: Cross multiply
751,202.19x = 1,036,659.93 × 407,037.87 - Step 4: Simplify right side
751,202.19x = 421,959,849,821.55 - Step 5: Solve for x
x = 421,959,849,821.55/751,202.19 - Step 6: Final answer
x = 561,712.75
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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.