Finding the Fourth Proportional to 625,450.04, 863,122.53 and 338,970.05
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Solution
The fourth proportional to 625,450.04, 863,122.53 and 338,970.05 is: 467,779.47
Step by Step Solution
- Step 1: Write the proportion equation
625,450.04 : 863,122.53 = 338,970.05 : x - Step 2: Convert to fraction form
625,450.04/863,122.53 = 338,970.05/x - Step 3: Cross multiply
625,450.04x = 863,122.53 × 338,970.05 - Step 4: Simplify right side
625,450.04x = 292,572,682,834.61 - Step 5: Solve for x
x = 292,572,682,834.61/625,450.04 - Step 6: Final answer
x = 467,779.47
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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.