Finding the Fourth Proportional to 741,420.24, 1,023,204.05 and 419,160.32
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Solution
The fourth proportional to 741,420.24, 1,023,204.05 and 419,160.32 is: 578,466.18
Step by Step Solution
- Step 1: Write the proportion equation
741,420.24 : 1,023,204.05 = 419,160.32 : x - Step 2: Convert to fraction form
741,420.24/1,023,204.05 = 419,160.32/x - Step 3: Cross multiply
741,420.24x = 1,023,204.05 × 419,160.32 - Step 4: Simplify right side
741,420.24x = 428,886,535,220.34 - Step 5: Solve for x
x = 428,886,535,220.34/741,420.24 - Step 6: Final answer
x = 578,466.18
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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.