Finding the Fourth Proportional to 679,028.06, 936,707.34 and 461,247.96
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Solution
The fourth proportional to 679,028.06, 936,707.34 and 461,247.96 is: 636,283.50
Step by Step Solution
- Step 1: Write the proportion equation
679,028.06 : 936,707.34 = 461,247.96 : x - Step 2: Convert to fraction form
679,028.06/936,707.34 = 461,247.96/x - Step 3: Cross multiply
679,028.06x = 936,707.34 × 461,247.96 - Step 4: Simplify right side
679,028.06x = 432,054,349,692.03 - Step 5: Solve for x
x = 432,054,349,692.03/679,028.06 - Step 6: Final answer
x = 636,283.50
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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.