Finding the Fourth Proportional to 683,997.48, 1,026,106.47 and 210,682.62
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Solution
The fourth proportional to 683,997.48, 1,026,106.47 and 210,682.62 is: 316,057.89
Step by Step Solution
- Step 1: Write the proportion equation
683,997.48 : 1,026,106.47 = 210,682.62 : x - Step 2: Convert to fraction form
683,997.48/1,026,106.47 = 210,682.62/x - Step 3: Cross multiply
683,997.48x = 1,026,106.47 × 210,682.62 - Step 4: Simplify right side
683,997.48x = 216,182,799,498.55 - Step 5: Solve for x
x = 216,182,799,498.55/683,997.48 - Step 6: Final answer
x = 316,057.89
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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.