Finding the Fourth Proportional to 720,465.98, 1,080,885.67 and 383,228.96
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Solution
The fourth proportional to 720,465.98, 1,080,885.67 and 383,228.96 is: 574,942.75
Step by Step Solution
- Step 1: Write the proportion equation
720,465.98 : 1,080,885.67 = 383,228.96 : x - Step 2: Convert to fraction form
720,465.98/1,080,885.67 = 383,228.96/x - Step 3: Cross multiply
720,465.98x = 1,080,885.67 × 383,228.96 - Step 4: Simplify right side
720,465.98x = 414,226,691,193.00 - Step 5: Solve for x
x = 414,226,691,193.00/720,465.98 - Step 6: Final answer
x = 574,942.75
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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.