Finding the Fourth Proportional to 679,299.33, 936,445.08 and 474,715.08
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Solution
The fourth proportional to 679,299.33, 936,445.08 and 474,715.08 is: 654,416.37
Step by Step Solution
- Step 1: Write the proportion equation
679,299.33 : 936,445.08 = 474,715.08 : x - Step 2: Convert to fraction form
679,299.33/936,445.08 = 474,715.08/x - Step 3: Cross multiply
679,299.33x = 936,445.08 × 474,715.08 - Step 4: Simplify right side
679,299.33x = 444,544,601,067.81 - Step 5: Solve for x
x = 444,544,601,067.81/679,299.33 - Step 6: Final answer
x = 654,416.37
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1.5x scale
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.