Finding the Fourth Proportional to 748,105.16, 1,032,391.69 and 425,835.99
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Solution
The fourth proportional to 748,105.16, 1,032,391.69 and 425,835.99 is: 587,657.41
Step by Step Solution
- Step 1: Write the proportion equation
748,105.16 : 1,032,391.69 = 425,835.99 : x - Step 2: Convert to fraction form
748,105.16/1,032,391.69 = 425,835.99/x - Step 3: Cross multiply
748,105.16x = 1,032,391.69 × 425,835.99 - Step 4: Simplify right side
748,105.16x = 439,629,536,314.33 - Step 5: Solve for x
x = 439,629,536,314.33/748,105.16 - Step 6: Final answer
x = 587,657.41
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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.