Finding the Fourth Proportional to 561,116.13, 774,340.26 and 306,467.92
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Solution
The fourth proportional to 561,116.13, 774,340.26 and 306,467.92 is: 422,925.73
Step by Step Solution
- Step 1: Write the proportion equation
561,116.13 : 774,340.26 = 306,467.92 : x - Step 2: Convert to fraction form
561,116.13/774,340.26 = 306,467.92/x - Step 3: Cross multiply
561,116.13x = 774,340.26 × 306,467.92 - Step 4: Simplify right side
561,116.13x = 237,310,448,854.46 - Step 5: Solve for x
x = 237,310,448,854.46/561,116.13 - Step 6: Final answer
x = 422,925.73
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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.