Finding the Fourth Proportional to 845,655.21, 1,265,994.50 and 564,475.05
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Solution
The fourth proportional to 845,655.21, 1,265,994.50 and 564,475.05 is: 845,051.62
Step by Step Solution
- Step 1: Write the proportion equation
845,655.21 : 1,265,994.50 = 564,475.05 : x - Step 2: Convert to fraction form
845,655.21/1,265,994.50 = 564,475.05/x - Step 3: Cross multiply
845,655.21x = 1,265,994.50 × 564,475.05 - Step 4: Simplify right side
845,655.21x = 714,622,305,864.85 - Step 5: Solve for x
x = 714,622,305,864.85/845,655.21 - Step 6: Final answer
x = 845,051.62
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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.