Finding the Fourth Proportional to 867,770.40, 1,197,488.16 and 505,204.68
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Solution
The fourth proportional to 867,770.40, 1,197,488.16 and 505,204.68 is: 697,162.09
Step by Step Solution
- Step 1: Write the proportion equation
867,770.40 : 1,197,488.16 = 505,204.68 : x - Step 2: Convert to fraction form
867,770.40/1,197,488.16 = 505,204.68/x - Step 3: Cross multiply
867,770.40x = 1,197,488.16 × 505,204.68 - Step 4: Simplify right side
867,770.40x = 604,976,622,676.59 - Step 5: Solve for x
x = 604,976,622,676.59/867,770.40 - Step 6: Final answer
x = 697,162.09
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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.