Finding the Fourth Proportional to 725,759.90, 1,001,582.82 and 403,475.36
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Solution
The fourth proportional to 725,759.90, 1,001,582.82 and 403,475.36 is: 556,814.99
Step by Step Solution
- Step 1: Write the proportion equation
725,759.90 : 1,001,582.82 = 403,475.36 : x - Step 2: Convert to fraction form
725,759.90/1,001,582.82 = 403,475.36/x - Step 3: Cross multiply
725,759.90x = 1,001,582.82 × 403,475.36 - Step 4: Simplify right side
725,759.90x = 404,113,988,869.32 - Step 5: Solve for x
x = 404,113,988,869.32/725,759.90 - Step 6: Final answer
x = 556,814.99
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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.