Finding the Fourth Proportional to 1,042,731.80, 1,564,124.88 and 332,758.88
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Solution
The fourth proportional to 1,042,731.80, 1,564,124.88 and 332,758.88 is: 499,146.99
Step by Step Solution
- Step 1: Write the proportion equation
1,042,731.80 : 1,564,124.88 = 332,758.88 : x - Step 2: Convert to fraction form
1,042,731.80/1,564,124.88 = 332,758.88/x - Step 3: Cross multiply
1,042,731.80x = 1,564,124.88 × 332,758.88 - Step 4: Simplify right side
1,042,731.80x = 520,476,443,248.93 - Step 5: Solve for x
x = 520,476,443,248.93/1,042,731.80 - Step 6: Final answer
x = 499,146.99
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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.