Finding the Fourth Proportional to 867,550.38, 1,197,207.14 and 480,328.66
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Solution
The fourth proportional to 867,550.38, 1,197,207.14 and 480,328.66 is: 662,846.70
Step by Step Solution
- Step 1: Write the proportion equation
867,550.38 : 1,197,207.14 = 480,328.66 : x - Step 2: Convert to fraction form
867,550.38/1,197,207.14 = 480,328.66/x - Step 3: Cross multiply
867,550.38x = 1,197,207.14 × 480,328.66 - Step 4: Simplify right side
867,550.38x = 575,052,901,298.63 - Step 5: Solve for x
x = 575,052,901,298.63/867,550.38 - Step 6: Final answer
x = 662,846.70
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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.