Finding the Fourth Proportional to 903,888.84, 1,354,180.86 and 423,234.84
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Solution
The fourth proportional to 903,888.84, 1,354,180.86 and 423,234.84 is: 634,078.54
Step by Step Solution
- Step 1: Write the proportion equation
903,888.84 : 1,354,180.86 = 423,234.84 : x - Step 2: Convert to fraction form
903,888.84/1,354,180.86 = 423,234.84/x - Step 3: Cross multiply
903,888.84x = 1,354,180.86 × 423,234.84 - Step 4: Simplify right side
903,888.84x = 573,136,519,613.16 - Step 5: Solve for x
x = 573,136,519,613.16/903,888.84 - Step 6: Final answer
x = 634,078.54
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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.