Finding the Fourth Proportional to 858,869.73, 1,282,520.91 and 701,410.53
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Solution
The fourth proportional to 858,869.73, 1,282,520.91 and 701,410.53 is: 1,047,392.45
Step by Step Solution
- Step 1: Write the proportion equation
858,869.73 : 1,282,520.91 = 701,410.53 : x - Step 2: Convert to fraction form
858,869.73/1,282,520.91 = 701,410.53/x - Step 3: Cross multiply
858,869.73x = 1,282,520.91 × 701,410.53 - Step 4: Simplify right side
858,869.73x = 899,573,667,712.13 - Step 5: Solve for x
x = 899,573,667,712.13/858,869.73 - Step 6: Final answer
x = 1,047,392.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.