Finding the Fourth Proportional to 679,062.38, 936,463.74 and 446,077.99
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Solution
The fourth proportional to 679,062.38, 936,463.74 and 446,077.99 is: 615,165.66
Step by Step Solution
- Step 1: Write the proportion equation
679,062.38 : 936,463.74 = 446,077.99 : x - Step 2: Convert to fraction form
679,062.38/936,463.74 = 446,077.99/x - Step 3: Cross multiply
679,062.38x = 936,463.74 × 446,077.99 - Step 4: Simplify right side
679,062.38x = 417,735,860,505.92 - Step 5: Solve for x
x = 417,735,860,505.92/679,062.38 - Step 6: Final answer
x = 615,165.66
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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.