Finding the Fourth Proportional to 658,446.74, 986,907.69 and 302,714.18
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Solution
The fourth proportional to 658,446.74, 986,907.69 and 302,714.18 is: 453,720.75
Step by Step Solution
- Step 1: Write the proportion equation
658,446.74 : 986,907.69 = 302,714.18 : x - Step 2: Convert to fraction form
658,446.74/986,907.69 = 302,714.18/x - Step 3: Cross multiply
658,446.74x = 986,907.69 × 302,714.18 - Step 4: Simplify right side
658,446.74x = 298,750,947,179.51 - Step 5: Solve for x
x = 298,750,947,179.51/658,446.74 - Step 6: Final answer
x = 453,720.75
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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.