Finding the Fourth Proportional to 622,845.63, 859,526.99 and 336,365.75
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Solution
The fourth proportional to 622,845.63, 859,526.99 and 336,365.75 is: 464,184.74
Step by Step Solution
- Step 1: Write the proportion equation
622,845.63 : 859,526.99 = 336,365.75 : x - Step 2: Convert to fraction form
622,845.63/859,526.99 = 336,365.75/x - Step 3: Cross multiply
622,845.63x = 859,526.99 × 336,365.75 - Step 4: Simplify right side
622,845.63x = 289,115,434,657.13 - Step 5: Solve for x
x = 289,115,434,657.13/622,845.63 - Step 6: Final answer
x = 464,184.74
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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.