Finding the Fourth Proportional to 493,645.20, 740,467.80 and 294,190.80
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Solution
The fourth proportional to 493,645.20, 740,467.80 and 294,190.80 is: 441,286.20
Step by Step Solution
- Step 1: Write the proportion equation
493,645.20 : 740,467.80 = 294,190.80 : x - Step 2: Convert to fraction form
493,645.20/740,467.80 = 294,190.80/x - Step 3: Cross multiply
493,645.20x = 740,467.80 × 294,190.80 - Step 4: Simplify right side
493,645.20x = 217,838,814,456.24 - Step 5: Solve for x
x = 217,838,814,456.24/493,645.20 - Step 6: Final answer
x = 441,286.20
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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.