Finding the Fourth Proportional to 899,638.64, 1,348,408.74 and 330,590.96
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Solution
The fourth proportional to 899,638.64, 1,348,408.74 and 330,590.96 is: 495,500.88
Step by Step Solution
- Step 1: Write the proportion equation
899,638.64 : 1,348,408.74 = 330,590.96 : x - Step 2: Convert to fraction form
899,638.64/1,348,408.74 = 330,590.96/x - Step 3: Cross multiply
899,638.64x = 1,348,408.74 × 330,590.96 - Step 4: Simplify right side
899,638.64x = 445,771,739,828.99 - Step 5: Solve for x
x = 445,771,739,828.99/899,638.64 - Step 6: Final answer
x = 495,500.88
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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.