Finding the Fourth Proportional to 479,742.08, 720,470.82 and 460,455.74
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Solution
The fourth proportional to 479,742.08, 720,470.82 and 460,455.74 is: 691,506.83
Step by Step Solution
- Step 1: Write the proportion equation
479,742.08 : 720,470.82 = 460,455.74 : x - Step 2: Convert to fraction form
479,742.08/720,470.82 = 460,455.74/x - Step 3: Cross multiply
479,742.08x = 720,470.82 × 460,455.74 - Step 4: Simplify right side
479,742.08x = 331,744,924,571.51 - Step 5: Solve for x
x = 331,744,924,571.51/479,742.08 - Step 6: Final answer
x = 691,506.83
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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.