Finding the Fourth Proportional to 771,475.89, 1,157,398.52 and 321,946.68
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Solution
The fourth proportional to 771,475.89, 1,157,398.52 and 321,946.68 is: 482,997.09
Step by Step Solution
- Step 1: Write the proportion equation
771,475.89 : 1,157,398.52 = 321,946.68 : x - Step 2: Convert to fraction form
771,475.89/1,157,398.52 = 321,946.68/x - Step 3: Cross multiply
771,475.89x = 1,157,398.52 × 321,946.68 - Step 4: Simplify right side
771,475.89x = 372,620,610,950.91 - Step 5: Solve for x
x = 372,620,610,950.91/771,475.89 - Step 6: Final answer
x = 482,997.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.