Finding the Fourth Proportional to 746,481.12, 1,029,818.79 and 474,403.20
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Solution
The fourth proportional to 746,481.12, 1,029,818.79 and 474,403.20 is: 654,469.77
Step by Step Solution
- Step 1: Write the proportion equation
746,481.12 : 1,029,818.79 = 474,403.20 : x - Step 2: Convert to fraction form
746,481.12/1,029,818.79 = 474,403.20/x - Step 3: Cross multiply
746,481.12x = 1,029,818.79 × 474,403.20 - Step 4: Simplify right side
746,481.12x = 488,549,329,396.13 - Step 5: Solve for x
x = 488,549,329,396.13/746,481.12 - Step 6: Final answer
x = 654,469.77
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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.