Finding the Fourth Proportional to 732,421.88, 1,099,342.99 and 353,609.79
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Solution
The fourth proportional to 732,421.88, 1,099,342.99 and 353,609.79 is: 530,757.55
Step by Step Solution
- Step 1: Write the proportion equation
732,421.88 : 1,099,342.99 = 353,609.79 : x - Step 2: Convert to fraction form
732,421.88/1,099,342.99 = 353,609.79/x - Step 3: Cross multiply
732,421.88x = 1,099,342.99 × 353,609.79 - Step 4: Simplify right side
732,421.88x = 388,738,443,831.87 - Step 5: Solve for x
x = 388,738,443,831.87/732,421.88 - Step 6: Final answer
x = 530,757.55
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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.