Finding the Fourth Proportional to 713,818.42, 985,289.96 and 459,169.63
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Solution
The fourth proportional to 713,818.42, 985,289.96 and 459,169.63 is: 633,795.95
Step by Step Solution
- Step 1: Write the proportion equation
713,818.42 : 985,289.96 = 459,169.63 : x - Step 2: Convert to fraction form
713,818.42/985,289.96 = 459,169.63/x - Step 3: Cross multiply
713,818.42x = 985,289.96 × 459,169.63 - Step 4: Simplify right side
713,818.42x = 452,415,219,153.62 - Step 5: Solve for x
x = 452,415,219,153.62/713,818.42 - Step 6: Final answer
x = 633,795.95
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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.