Finding the Fourth Proportional to 679,622.44, 937,768.58 and 377,808.68
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Solution
The fourth proportional to 679,622.44, 937,768.58 and 377,808.68 is: 521,314.61
Step by Step Solution
- Step 1: Write the proportion equation
679,622.44 : 937,768.58 = 377,808.68 : x - Step 2: Convert to fraction form
679,622.44/937,768.58 = 377,808.68/x - Step 3: Cross multiply
679,622.44x = 937,768.58 × 377,808.68 - Step 4: Simplify right side
679,622.44x = 354,297,109,355.27 - Step 5: Solve for x
x = 354,297,109,355.27/679,622.44 - Step 6: Final answer
x = 521,314.61
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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.