Finding the Fourth Proportional to 603,801.79, 833,325.30 and 389,565.09
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Solution
The fourth proportional to 603,801.79, 833,325.30 and 389,565.09 is: 537,650.69
Step by Step Solution
- Step 1: Write the proportion equation
603,801.79 : 833,325.30 = 389,565.09 : x - Step 2: Convert to fraction form
603,801.79/833,325.30 = 389,565.09/x - Step 3: Cross multiply
603,801.79x = 833,325.30 × 389,565.09 - Step 4: Simplify right side
603,801.79x = 324,634,445,493.78 - Step 5: Solve for x
x = 324,634,445,493.78/603,801.79 - Step 6: Final answer
x = 537,650.69
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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.