Finding the Fourth Proportional to 832,310.20, 1,248,475.88 and 292,544.68
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Solution
The fourth proportional to 832,310.20, 1,248,475.88 and 292,544.68 is: 438,820.74
Step by Step Solution
- Step 1: Write the proportion equation
832,310.20 : 1,248,475.88 = 292,544.68 : x - Step 2: Convert to fraction form
832,310.20/1,248,475.88 = 292,544.68/x - Step 3: Cross multiply
832,310.20x = 1,248,475.88 × 292,544.68 - Step 4: Simplify right side
832,310.20x = 365,234,976,802.32 - Step 5: Solve for x
x = 365,234,976,802.32/832,310.20 - Step 6: Final answer
x = 438,820.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.