Finding the Fourth Proportional to 949,849.08, 1,310,742.88 and 520,046.08
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Solution
The fourth proportional to 949,849.08, 1,310,742.88 and 520,046.08 is: 717,636.84
Step by Step Solution
- Step 1: Write the proportion equation
949,849.08 : 1,310,742.88 = 520,046.08 : x - Step 2: Convert to fraction form
949,849.08/1,310,742.88 = 520,046.08/x - Step 3: Cross multiply
949,849.08x = 1,310,742.88 × 520,046.08 - Step 4: Simplify right side
949,849.08x = 681,646,696,631.91 - Step 5: Solve for x
x = 681,646,696,631.91/949,849.08 - Step 6: Final answer
x = 717,636.84
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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.