Finding the Fourth Proportional to 1,042,729.80, 1,564,121.88 and 332,756.88
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Solution
The fourth proportional to 1,042,729.80, 1,564,121.88 and 332,756.88 is: 499,143.99
Step by Step Solution
- Step 1: Write the proportion equation
1,042,729.80 : 1,564,121.88 = 332,756.88 : x - Step 2: Convert to fraction form
1,042,729.80/1,564,121.88 = 332,756.88/x - Step 3: Cross multiply
1,042,729.80x = 1,564,121.88 × 332,756.88 - Step 4: Simplify right side
1,042,729.80x = 520,472,316,728.53 - Step 5: Solve for x
x = 520,472,316,728.53/1,042,729.80 - Step 6: Final answer
x = 499,143.99
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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.