Finding the Fourth Proportional to 756,554.99, 1,044,014.44 and 412,383.35
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Solution
The fourth proportional to 756,554.99, 1,044,014.44 and 412,383.35 is: 569,071.88
Step by Step Solution
- Step 1: Write the proportion equation
756,554.99 : 1,044,014.44 = 412,383.35 : x - Step 2: Convert to fraction form
756,554.99/1,044,014.44 = 412,383.35/x - Step 3: Cross multiply
756,554.99x = 1,044,014.44 × 412,383.35 - Step 4: Simplify right side
756,554.99x = 430,534,172,215.57 - Step 5: Solve for x
x = 430,534,172,215.57/756,554.99 - Step 6: Final answer
x = 569,071.88
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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.