Finding the Fourth Proportional to 912,733.44, 1,368,808.96 and 313,550.12
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Solution
The fourth proportional to 912,733.44, 1,368,808.96 and 313,550.12 is: 470,225.14
Step by Step Solution
- Step 1: Write the proportion equation
912,733.44 : 1,368,808.96 = 313,550.12 : x - Step 2: Convert to fraction form
912,733.44/1,368,808.96 = 313,550.12/x - Step 3: Cross multiply
912,733.44x = 1,368,808.96 × 313,550.12 - Step 4: Simplify right side
912,733.44x = 429,190,213,665.08 - Step 5: Solve for x
x = 429,190,213,665.08/912,733.44 - Step 6: Final answer
x = 470,225.14
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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.