Finding the Fourth Proportional to 870,774.92, 1,201,560.56 and 483,537.68
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Solution
The fourth proportional to 870,774.92, 1,201,560.56 and 483,537.68 is: 667,221.57
Step by Step Solution
- Step 1: Write the proportion equation
870,774.92 : 1,201,560.56 = 483,537.68 : x - Step 2: Convert to fraction form
870,774.92/1,201,560.56 = 483,537.68/x - Step 3: Cross multiply
870,774.92x = 1,201,560.56 × 483,537.68 - Step 4: Simplify right side
870,774.92x = 580,999,805,561.90 - Step 5: Solve for x
x = 580,999,805,561.90/870,774.92 - Step 6: Final answer
x = 667,221.57
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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.