Finding the Fourth Proportional to 610,793.40, 842,899.98 and 338,879.13
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Solution
The fourth proportional to 610,793.40, 842,899.98 and 338,879.13 is: 467,656.02
Step by Step Solution
- Step 1: Write the proportion equation
610,793.40 : 842,899.98 = 338,879.13 : x - Step 2: Convert to fraction form
610,793.40/842,899.98 = 338,879.13/x - Step 3: Cross multiply
610,793.40x = 842,899.98 × 338,879.13 - Step 4: Simplify right side
610,793.40x = 285,641,211,899.42 - Step 5: Solve for x
x = 285,641,211,899.42/610,793.40 - Step 6: Final answer
x = 467,656.02
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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.