Finding the Fourth Proportional to 679,268.16, 937,355.82 and 377,455.68
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Solution
The fourth proportional to 679,268.16, 937,355.82 and 377,455.68 is: 520,869.81
Step by Step Solution
- Step 1: Write the proportion equation
679,268.16 : 937,355.82 = 377,455.68 : x - Step 2: Convert to fraction form
679,268.16/937,355.82 = 377,455.68/x - Step 3: Cross multiply
679,268.16x = 937,355.82 × 377,455.68 - Step 4: Simplify right side
679,268.16x = 353,810,278,440.06 - Step 5: Solve for x
x = 353,810,278,440.06/679,268.16 - Step 6: Final answer
x = 520,869.81
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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.