Finding the Fourth Proportional to 804,574.12, 1,109,819.80 and 477,665.26
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Solution
The fourth proportional to 804,574.12, 1,109,819.80 and 477,665.26 is: 658,885.68
Step by Step Solution
- Step 1: Write the proportion equation
804,574.12 : 1,109,819.80 = 477,665.26 : x - Step 2: Convert to fraction form
804,574.12/1,109,819.80 = 477,665.26/x - Step 3: Cross multiply
804,574.12x = 1,109,819.80 × 477,665.26 - Step 4: Simplify right side
804,574.12x = 530,122,363,320.15 - Step 5: Solve for x
x = 530,122,363,320.15/804,574.12 - Step 6: Final answer
x = 658,885.68
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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.