Finding the Fourth Proportional to 865,885.14, 1,194,958.40 and 483,911.92
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Solution
The fourth proportional to 865,885.14, 1,194,958.40 and 483,911.92 is: 667,819.08
Step by Step Solution
- Step 1: Write the proportion equation
865,885.14 : 1,194,958.40 = 483,911.92 : x - Step 2: Convert to fraction form
865,885.14/1,194,958.40 = 483,911.92/x - Step 3: Cross multiply
865,885.14x = 1,194,958.40 × 483,911.92 - Step 4: Simplify right side
865,885.14x = 578,254,613,664.13 - Step 5: Solve for x
x = 578,254,613,664.13/865,885.14 - Step 6: Final answer
x = 667,819.08
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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.