Finding the Fourth Proportional to 544,545.92, 751,363.20 and 318,147.68
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Solution
The fourth proportional to 544,545.92, 751,363.20 and 318,147.68 is: 438,979.43
Step by Step Solution
- Step 1: Write the proportion equation
544,545.92 : 751,363.20 = 318,147.68 : x - Step 2: Convert to fraction form
544,545.92/751,363.20 = 318,147.68/x - Step 3: Cross multiply
544,545.92x = 751,363.20 × 318,147.68 - Step 4: Simplify right side
544,545.92x = 239,044,458,917.38 - Step 5: Solve for x
x = 239,044,458,917.38/544,545.92 - Step 6: Final answer
x = 438,979.43
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1.5x scale
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.