Finding the Fourth Proportional to 526,635.74, 726,739.35 and 300,354.14
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Solution
The fourth proportional to 526,635.74, 726,739.35 and 300,354.14 is: 414,478.46
Step by Step Solution
- Step 1: Write the proportion equation
526,635.74 : 726,739.35 = 300,354.14 : x - Step 2: Convert to fraction form
526,635.74/726,739.35 = 300,354.14/x - Step 3: Cross multiply
526,635.74x = 726,739.35 × 300,354.14 - Step 4: Simplify right side
526,635.74x = 218,279,172,473.41 - Step 5: Solve for x
x = 218,279,172,473.41/526,635.74 - Step 6: Final answer
x = 414,478.46
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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.