Finding the Fourth Proportional to 660,949.84, 990,612.60 and 305,482.96
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Solution
The fourth proportional to 660,949.84, 990,612.60 and 305,482.96 is: 457,849.07
Step by Step Solution
- Step 1: Write the proportion equation
660,949.84 : 990,612.60 = 305,482.96 : x - Step 2: Convert to fraction form
660,949.84/990,612.60 = 305,482.96/x - Step 3: Cross multiply
660,949.84x = 990,612.60 × 305,482.96 - Step 4: Simplify right side
660,949.84x = 302,615,269,261.30 - Step 5: Solve for x
x = 302,615,269,261.30/660,949.84 - Step 6: Final answer
x = 457,849.07
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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.