Finding the Fourth Proportional to 920,305.26, 1,270,011.06 and 512,398.26
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Solution
The fourth proportional to 920,305.26, 1,270,011.06 and 512,398.26 is: 707,103.92
Step by Step Solution
- Step 1: Write the proportion equation
920,305.26 : 1,270,011.06 = 512,398.26 : x - Step 2: Convert to fraction form
920,305.26/1,270,011.06 = 512,398.26/x - Step 3: Cross multiply
920,305.26x = 1,270,011.06 × 512,398.26 - Step 4: Simplify right side
920,305.26x = 650,751,457,324.76 - Step 5: Solve for x
x = 650,751,457,324.76/920,305.26 - Step 6: Final answer
x = 707,103.92
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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.