Finding the Fourth Proportional to 1,042,102.28, 1,562,336.84 and 411,488.12
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Solution
The fourth proportional to 1,042,102.28, 1,562,336.84 and 411,488.12 is: 616,909.74
Step by Step Solution
- Step 1: Write the proportion equation
1,042,102.28 : 1,562,336.84 = 411,488.12 : x - Step 2: Convert to fraction form
1,042,102.28/1,562,336.84 = 411,488.12/x - Step 3: Cross multiply
1,042,102.28x = 1,562,336.84 × 411,488.12 - Step 4: Simplify right side
1,042,102.28x = 642,883,049,098.34 - Step 5: Solve for x
x = 642,883,049,098.34/1,042,102.28 - Step 6: Final answer
x = 616,909.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.