Finding the Fourth Proportional to 466,270.20, 699,405.30 and 430,840.80
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Solution
The fourth proportional to 466,270.20, 699,405.30 and 430,840.80 is: 646,261.20
Step by Step Solution
- Step 1: Write the proportion equation
466,270.20 : 699,405.30 = 430,840.80 : x - Step 2: Convert to fraction form
466,270.20/699,405.30 = 430,840.80/x - Step 3: Cross multiply
466,270.20x = 699,405.30 × 430,840.80 - Step 4: Simplify right side
466,270.20x = 301,332,338,976.24 - Step 5: Solve for x
x = 301,332,338,976.24/466,270.20 - Step 6: Final answer
x = 646,261.20
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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.