Finding the Fourth Proportional to 725,758.84, 1,001,581.35 and 403,474.28
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Solution
The fourth proportional to 725,758.84, 1,001,581.35 and 403,474.28 is: 556,813.49
Step by Step Solution
- Step 1: Write the proportion equation
725,758.84 : 1,001,581.35 = 403,474.28 : x - Step 2: Convert to fraction form
725,758.84/1,001,581.35 = 403,474.28/x - Step 3: Cross multiply
725,758.84x = 1,001,581.35 × 403,474.28 - Step 4: Simplify right side
725,758.84x = 404,112,314,052.68 - Step 5: Solve for x
x = 404,112,314,052.68/725,758.84 - Step 6: Final answer
x = 556,813.49
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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.