Finding the Fourth Proportional to 649,305.20, 896,317.08 and 394,737.68
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Solution
The fourth proportional to 649,305.20, 896,317.08 and 394,737.68 is: 544,905.73
Step by Step Solution
- Step 1: Write the proportion equation
649,305.20 : 896,317.08 = 394,737.68 : x - Step 2: Convert to fraction form
649,305.20/896,317.08 = 394,737.68/x - Step 3: Cross multiply
649,305.20x = 896,317.08 × 394,737.68 - Step 4: Simplify right side
649,305.20x = 353,810,124,703.57 - Step 5: Solve for x
x = 353,810,124,703.57/649,305.20 - Step 6: Final answer
x = 544,905.73
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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.