Finding the Fourth Proportional to 579,226.54, 868,984.51 and 408,781.05
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Solution
The fourth proportional to 579,226.54, 868,984.51 and 408,781.05 is: 613,273.69
Step by Step Solution
- Step 1: Write the proportion equation
579,226.54 : 868,984.51 = 408,781.05 : x - Step 2: Convert to fraction form
579,226.54/868,984.51 = 408,781.05/x - Step 3: Cross multiply
579,226.54x = 868,984.51 × 408,781.05 - Step 4: Simplify right side
579,226.54x = 355,224,398,067.05 - Step 5: Solve for x
x = 355,224,398,067.05/579,226.54 - Step 6: Final answer
x = 613,273.69
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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.