Finding the Fourth Proportional to 620,017.69, 930,071.64 and 259,826.99
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Solution
The fourth proportional to 620,017.69, 930,071.64 and 259,826.99 is: 389,759.39
Step by Step Solution
- Step 1: Write the proportion equation
620,017.69 : 930,071.64 = 259,826.99 : x - Step 2: Convert to fraction form
620,017.69/930,071.64 = 259,826.99/x - Step 3: Cross multiply
620,017.69x = 930,071.64 × 259,826.99 - Step 4: Simplify right side
620,017.69x = 241,657,714,705.56 - Step 5: Solve for x
x = 241,657,714,705.56/620,017.69 - Step 6: Final answer
x = 389,759.39
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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.