Finding the Fourth Proportional to 789,744.21, 1,184,763.96 and 316,466.48
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Solution
The fourth proportional to 789,744.21, 1,184,763.96 and 316,466.48 is: 474,758.88
Step by Step Solution
- Step 1: Write the proportion equation
789,744.21 : 1,184,763.96 = 316,466.48 : x - Step 2: Convert to fraction form
789,744.21/1,184,763.96 = 316,466.48/x - Step 3: Cross multiply
789,744.21x = 1,184,763.96 × 316,466.48 - Step 4: Simplify right side
789,744.21x = 374,938,074,128.24 - Step 5: Solve for x
x = 374,938,074,128.24/789,744.21 - Step 6: Final answer
x = 474,758.88
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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.