Finding the Fourth Proportional to 690,217.30, 1,035,497.67 and 548,596.90
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Solution
The fourth proportional to 690,217.30, 1,035,497.67 and 548,596.90 is: 823,031.84
Step by Step Solution
- Step 1: Write the proportion equation
690,217.30 : 1,035,497.67 = 548,596.90 : x - Step 2: Convert to fraction form
690,217.30/1,035,497.67 = 548,596.90/x - Step 3: Cross multiply
690,217.30x = 1,035,497.67 × 548,596.90 - Step 4: Simplify right side
690,217.30x = 568,070,811,719.22 - Step 5: Solve for x
x = 568,070,811,719.22/690,217.30 - Step 6: Final answer
x = 823,031.84
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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.