Finding the Fourth Proportional to 561,036.01, 774,232.54 and 306,387.19
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Solution
The fourth proportional to 561,036.01, 774,232.54 and 306,387.19 is: 422,815.87
Step by Step Solution
- Step 1: Write the proportion equation
561,036.01 : 774,232.54 = 306,387.19 : x - Step 2: Convert to fraction form
561,036.01/774,232.54 = 306,387.19/x - Step 3: Cross multiply
561,036.01x = 774,232.54 × 306,387.19 - Step 4: Simplify right side
561,036.01x = 237,214,930,805.23 - Step 5: Solve for x
x = 237,214,930,805.23/561,036.01 - Step 6: Final answer
x = 422,815.87
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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.