Finding the Fourth Proportional to 522,005.95, 720,427.97 and 292,625.19
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Solution
The fourth proportional to 522,005.95, 720,427.97 and 292,625.19 is: 403,856.26
Step by Step Solution
- Step 1: Write the proportion equation
522,005.95 : 720,427.97 = 292,625.19 : x - Step 2: Convert to fraction form
522,005.95/720,427.97 = 292,625.19/x - Step 3: Cross multiply
522,005.95x = 720,427.97 × 292,625.19 - Step 4: Simplify right side
522,005.95x = 210,815,372,334.13 - Step 5: Solve for x
x = 210,815,372,334.13/522,005.95 - Step 6: Final answer
x = 403,856.26
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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.