Finding the Fourth Proportional to 531,526.20, 733,509.62 and 289,812.76
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Solution
The fourth proportional to 531,526.20, 733,509.62 and 289,812.76 is: 399,943.50
Step by Step Solution
- Step 1: Write the proportion equation
531,526.20 : 733,509.62 = 289,812.76 : x - Step 2: Convert to fraction form
531,526.20/733,509.62 = 289,812.76/x - Step 3: Cross multiply
531,526.20x = 733,509.62 × 289,812.76 - Step 4: Simplify right side
531,526.20x = 212,580,447,458.75 - Step 5: Solve for x
x = 212,580,447,458.75/531,526.20 - Step 6: Final answer
x = 399,943.50
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1.5x scale
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.