Finding the Fourth Proportional to 976,276.20, 1,464,414.30 and 415,237.80
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Solution
The fourth proportional to 976,276.20, 1,464,414.30 and 415,237.80 is: 622,856.70
Step by Step Solution
- Step 1: Write the proportion equation
976,276.20 : 1,464,414.30 = 415,237.80 : x - Step 2: Convert to fraction form
976,276.20/1,464,414.30 = 415,237.80/x - Step 3: Cross multiply
976,276.20x = 1,464,414.30 × 415,237.80 - Step 4: Simplify right side
976,276.20x = 608,080,172,220.54 - Step 5: Solve for x
x = 608,080,172,220.54/976,276.20 - Step 6: Final answer
x = 622,856.70
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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.