Finding the Fourth Proportional to 756,774.44, 1,044,328.74 and 417,233.96
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Solution
The fourth proportional to 756,774.44, 1,044,328.74 and 417,233.96 is: 575,771.85
Step by Step Solution
- Step 1: Write the proportion equation
756,774.44 : 1,044,328.74 = 417,233.96 : x - Step 2: Convert to fraction form
756,774.44/1,044,328.74 = 417,233.96/x - Step 3: Cross multiply
756,774.44x = 1,044,328.74 × 417,233.96 - Step 4: Simplify right side
756,774.44x = 435,729,415,732.01 - Step 5: Solve for x
x = 435,729,415,732.01/756,774.44 - Step 6: Final answer
x = 575,771.85
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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.