Finding the Fourth Proportional to 725,753.38, 1,001,573.82 and 403,468.84
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Solution
The fourth proportional to 725,753.38, 1,001,573.82 and 403,468.84 is: 556,805.99
Step by Step Solution
- Step 1: Write the proportion equation
725,753.38 : 1,001,573.82 = 403,468.84 : x - Step 2: Convert to fraction form
725,753.38/1,001,573.82 = 403,468.84/x - Step 3: Cross multiply
725,753.38x = 1,001,573.82 × 403,468.84 - Step 4: Simplify right side
725,753.38x = 404,103,827,329.77 - Step 5: Solve for x
x = 404,103,827,329.77/725,753.38 - Step 6: Final answer
x = 556,805.99
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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.