Finding the Fourth Proportional to 626,239.84, 938,115.60 and 345,059.68
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Solution
The fourth proportional to 626,239.84, 938,115.60 and 345,059.68 is: 516,903.98
Step by Step Solution
- Step 1: Write the proportion equation
626,239.84 : 938,115.60 = 345,059.68 : x - Step 2: Convert to fraction form
626,239.84/938,115.60 = 345,059.68/x - Step 3: Cross multiply
626,239.84x = 938,115.60 × 345,059.68 - Step 4: Simplify right side
626,239.84x = 323,705,868,739.01 - Step 5: Solve for x
x = 323,705,868,739.01/626,239.84 - Step 6: Final answer
x = 516,903.98
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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.