Finding the Fourth Proportional to 529,771.99, 731,094.47 and 288,056.19
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Solution
The fourth proportional to 529,771.99, 731,094.47 and 288,056.19 is: 397,522.51
Step by Step Solution
- Step 1: Write the proportion equation
529,771.99 : 731,094.47 = 288,056.19 : x - Step 2: Convert to fraction form
529,771.99/731,094.47 = 288,056.19/x - Step 3: Cross multiply
529,771.99x = 731,094.47 × 288,056.19 - Step 4: Simplify right side
529,771.99x = 210,596,288,278.41 - Step 5: Solve for x
x = 210,596,288,278.41/529,771.99 - Step 6: Final answer
x = 397,522.51
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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.