Finding the Fourth Proportional to 622,951.13, 933,069.47 and 409,478.06
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Solution
The fourth proportional to 622,951.13, 933,069.47 and 409,478.06 is: 613,324.95
Step by Step Solution
- Step 1: Write the proportion equation
622,951.13 : 933,069.47 = 409,478.06 : x - Step 2: Convert to fraction form
622,951.13/933,069.47 = 409,478.06/x - Step 3: Cross multiply
622,951.13x = 933,069.47 × 409,478.06 - Step 4: Simplify right side
622,951.13x = 382,071,469,708.09 - Step 5: Solve for x
x = 382,071,469,708.09/622,951.13 - Step 6: Final answer
x = 613,324.95
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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.