Finding the Fourth Proportional to 695,923.13, 1,043,884.69 and 170,611.13
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Solution
The fourth proportional to 695,923.13, 1,043,884.69 and 170,611.13 is: 255,916.69
Step by Step Solution
- Step 1: Write the proportion equation
695,923.13 : 1,043,884.69 = 170,611.13 : x - Step 2: Convert to fraction form
695,923.13/1,043,884.69 = 170,611.13/x - Step 3: Cross multiply
695,923.13x = 1,043,884.69 × 170,611.13 - Step 4: Simplify right side
695,923.13x = 178,098,340,904.65 - Step 5: Solve for x
x = 178,098,340,904.65/695,923.13 - Step 6: Final answer
x = 255,916.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.