Finding the Fourth Proportional to 479,743.08, 720,472.32 and 460,456.74
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Solution
The fourth proportional to 479,743.08, 720,472.32 and 460,456.74 is: 691,508.33
Step by Step Solution
- Step 1: Write the proportion equation
479,743.08 : 720,472.32 = 460,456.74 : x - Step 2: Convert to fraction form
479,743.08/720,472.32 = 460,456.74/x - Step 3: Cross multiply
479,743.08x = 720,472.32 × 460,456.74 - Step 4: Simplify right side
479,743.08x = 331,746,335,727.44 - Step 5: Solve for x
x = 331,746,335,727.44/479,743.08 - Step 6: Final answer
x = 691,508.33
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1.5x scale
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.