Finding the Fourth Proportional to 741,477.20, 1,110,660.60 and 408,664.40
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Solution
The fourth proportional to 741,477.20, 1,110,660.60 and 408,664.40 is: 612,139.45
Step by Step Solution
- Step 1: Write the proportion equation
741,477.20 : 1,110,660.60 = 408,664.40 : x - Step 2: Convert to fraction form
741,477.20/1,110,660.60 = 408,664.40/x - Step 3: Cross multiply
741,477.20x = 1,110,660.60 × 408,664.40 - Step 4: Simplify right side
741,477.20x = 453,887,447,702.64 - Step 5: Solve for x
x = 453,887,447,702.64/741,477.20 - Step 6: Final answer
x = 612,139.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.