Finding the Fourth Proportional to 725,792.11, 1,001,536.37 and 403,482.58
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Solution
The fourth proportional to 725,792.11, 1,001,536.37 and 403,482.58 is: 556,774.42
Step by Step Solution
- Step 1: Write the proportion equation
725,792.11 : 1,001,536.37 = 403,482.58 : x - Step 2: Convert to fraction form
725,792.11/1,001,536.37 = 403,482.58/x - Step 3: Cross multiply
725,792.11x = 1,001,536.37 × 403,482.58 - Step 4: Simplify right side
725,792.11x = 404,102,478,531.44 - Step 5: Solve for x
x = 404,102,478,531.44/725,792.11 - Step 6: Final answer
x = 556,774.42
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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.