Finding the Fourth Proportional to 531,632.27, 733,670.12 and 289,934.75
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Solution
The fourth proportional to 531,632.27, 733,670.12 and 289,934.75 is: 400,119.55
Step by Step Solution
- Step 1: Write the proportion equation
531,632.27 : 733,670.12 = 289,934.75 : x - Step 2: Convert to fraction form
531,632.27/733,670.12 = 289,934.75/x - Step 3: Cross multiply
531,632.27x = 733,670.12 × 289,934.75 - Step 4: Simplify right side
531,632.27x = 212,716,462,824.67 - Step 5: Solve for x
x = 212,716,462,824.67/531,632.27 - Step 6: Final answer
x = 400,119.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.