Finding the Fourth Proportional to 741,881.40, 1,023,797.52 and 402,349.92
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Solution
The fourth proportional to 741,881.40, 1,023,797.52 and 402,349.92 is: 555,243.53
Step by Step Solution
- Step 1: Write the proportion equation
741,881.40 : 1,023,797.52 = 402,349.92 : x - Step 2: Convert to fraction form
741,881.40/1,023,797.52 = 402,349.92/x - Step 3: Cross multiply
741,881.40x = 1,023,797.52 × 402,349.92 - Step 4: Simplify right side
741,881.40x = 411,924,850,268.20 - Step 5: Solve for x
x = 411,924,850,268.20/741,881.40 - Step 6: Final answer
x = 555,243.53
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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.