Finding the Fourth Proportional to 808,770.15, 1,116,102.92 and 446,194.88
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Solution
The fourth proportional to 808,770.15, 1,116,102.92 and 446,194.88 is: 615,748.99
Step by Step Solution
- Step 1: Write the proportion equation
808,770.15 : 1,116,102.92 = 446,194.88 : x - Step 2: Convert to fraction form
808,770.15/1,116,102.92 = 446,194.88/x - Step 3: Cross multiply
808,770.15x = 1,116,102.92 × 446,194.88 - Step 4: Simplify right side
808,770.15x = 497,999,404,830.95 - Step 5: Solve for x
x = 497,999,404,830.95/808,770.15 - Step 6: Final answer
x = 615,748.99
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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.