Finding the Fourth Proportional to 647,913.44, 894,114.43 and 357,527.68
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Solution
The fourth proportional to 647,913.44, 894,114.43 and 357,527.68 is: 493,384.82
Step by Step Solution
- Step 1: Write the proportion equation
647,913.44 : 894,114.43 = 357,527.68 : x - Step 2: Convert to fraction form
647,913.44/894,114.43 = 357,527.68/x - Step 3: Cross multiply
647,913.44x = 894,114.43 × 357,527.68 - Step 4: Simplify right side
647,913.44x = 319,670,657,812.42 - Step 5: Solve for x
x = 319,670,657,812.42/647,913.44 - Step 6: Final answer
x = 493,384.82
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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.