Finding the Fourth Proportional to 1,040,252.40, 1,560,232.80 and 330,352.20
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Solution
The fourth proportional to 1,040,252.40, 1,560,232.80 and 330,352.20 is: 495,482.00
Step by Step Solution
- Step 1: Write the proportion equation
1,040,252.40 : 1,560,232.80 = 330,352.20 : x - Step 2: Convert to fraction form
1,040,252.40/1,560,232.80 = 330,352.20/x - Step 3: Cross multiply
1,040,252.40x = 1,560,232.80 × 330,352.20 - Step 4: Simplify right side
1,040,252.40x = 515,426,337,992.16 - Step 5: Solve for x
x = 515,426,337,992.16/1,040,252.40 - Step 6: Final answer
x = 495,482.00
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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.