Finding the Fourth Proportional to 679,063.38, 936,465.12 and 446,078.99
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Solution
The fourth proportional to 679,063.38, 936,465.12 and 446,078.99 is: 615,167.05
Step by Step Solution
- Step 1: Write the proportion equation
679,063.38 : 936,465.12 = 446,078.99 : x - Step 2: Convert to fraction form
679,063.38/936,465.12 = 446,078.99/x - Step 3: Cross multiply
679,063.38x = 936,465.12 × 446,078.99 - Step 4: Simplify right side
679,063.38x = 417,737,414,899.83 - Step 5: Solve for x
x = 417,737,414,899.83/679,063.38 - Step 6: Final answer
x = 615,167.05
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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.