Finding the Fourth Proportional to 539,004.80, 808,393.80 and 272,514.80
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Solution
The fourth proportional to 539,004.80, 808,393.80 and 272,514.80 is: 408,714.87
Step by Step Solution
- Step 1: Write the proportion equation
539,004.80 : 808,393.80 = 272,514.80 : x - Step 2: Convert to fraction form
539,004.80/808,393.80 = 272,514.80/x - Step 3: Cross multiply
539,004.80x = 808,393.80 × 272,514.80 - Step 4: Simplify right side
539,004.80x = 220,299,274,728.24 - Step 5: Solve for x
x = 220,299,274,728.24/539,004.80 - Step 6: Final answer
x = 408,714.87
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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.