Finding the Fourth Proportional to 1,050,428.21, 1,575,698.19 and 330,826.19
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Solution
The fourth proportional to 1,050,428.21, 1,575,698.19 and 330,826.19 is: 496,256.88
Step by Step Solution
- Step 1: Write the proportion equation
1,050,428.21 : 1,575,698.19 = 330,826.19 : x - Step 2: Convert to fraction form
1,050,428.21/1,575,698.19 = 330,826.19/x - Step 3: Cross multiply
1,050,428.21x = 1,575,698.19 × 330,826.19 - Step 4: Simplify right side
1,050,428.21x = 521,282,228,787.60 - Step 5: Solve for x
x = 521,282,228,787.60/1,050,428.21 - Step 6: Final answer
x = 496,256.88
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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.