Finding the Fourth Proportional to 587,252.80, 880,879.20 and 213,227.20
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Solution
The fourth proportional to 587,252.80, 880,879.20 and 213,227.20 is: 319,840.80
Step by Step Solution
- Step 1: Write the proportion equation
587,252.80 : 880,879.20 = 213,227.20 : x - Step 2: Convert to fraction form
587,252.80/880,879.20 = 213,227.20/x - Step 3: Cross multiply
587,252.80x = 880,879.20 × 213,227.20 - Step 4: Simplify right side
587,252.80x = 187,827,405,354.24 - Step 5: Solve for x
x = 187,827,405,354.24/587,252.80 - Step 6: Final answer
x = 319,840.80
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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.