Finding the Fourth Proportional to 638,237.03, 880,801.76 and 366,302.75
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Solution
The fourth proportional to 638,237.03, 880,801.76 and 366,302.75 is: 505,517.69
Step by Step Solution
- Step 1: Write the proportion equation
638,237.03 : 880,801.76 = 366,302.75 : x - Step 2: Convert to fraction form
638,237.03/880,801.76 = 366,302.75/x - Step 3: Cross multiply
638,237.03x = 880,801.76 × 366,302.75 - Step 4: Simplify right side
638,237.03x = 322,640,107,263.33 - Step 5: Solve for x
x = 322,640,107,263.33/638,237.03 - Step 6: Final answer
x = 505,517.69
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1.5x scale
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.