Finding the Fourth Proportional to 741,420.62, 1,023,204.57 and 419,160.71
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Solution
The fourth proportional to 741,420.62, 1,023,204.57 and 419,160.71 is: 578,466.72
Step by Step Solution
- Step 1: Write the proportion equation
741,420.62 : 1,023,204.57 = 419,160.71 : x - Step 2: Convert to fraction form
741,420.62/1,023,204.57 = 419,160.71/x - Step 3: Cross multiply
741,420.62x = 1,023,204.57 × 419,160.71 - Step 4: Simplify right side
741,420.62x = 428,887,148,920.42 - Step 5: Solve for x
x = 428,887,148,920.42/741,420.62 - Step 6: Final answer
x = 578,466.72
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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.