Finding the Fourth Proportional to 526,964.13, 727,308.99 and 300,609.63
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Solution
The fourth proportional to 526,964.13, 727,308.99 and 300,609.63 is: 414,897.47
Step by Step Solution
- Step 1: Write the proportion equation
526,964.13 : 727,308.99 = 300,609.63 : x - Step 2: Convert to fraction form
526,964.13/727,308.99 = 300,609.63/x - Step 3: Cross multiply
526,964.13x = 727,308.99 × 300,609.63 - Step 4: Simplify right side
526,964.13x = 218,636,086,379.57 - Step 5: Solve for x
x = 218,636,086,379.57/526,964.13 - Step 6: Final answer
x = 414,897.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.