Finding the Fourth Proportional to 725,756.09, 1,001,577.56 and 403,471.53
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Solution
The fourth proportional to 725,756.09, 1,001,577.56 and 403,471.53 is: 556,809.70
Step by Step Solution
- Step 1: Write the proportion equation
725,756.09 : 1,001,577.56 = 403,471.53 : x - Step 2: Convert to fraction form
725,756.09/1,001,577.56 = 403,471.53/x - Step 3: Cross multiply
725,756.09x = 1,001,577.56 × 403,471.53 - Step 4: Simplify right side
725,756.09x = 404,108,028,529.51 - Step 5: Solve for x
x = 404,108,028,529.51/725,756.09 - Step 6: Final answer
x = 556,809.70
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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.