Finding the Fourth Proportional to 829,447.98, 1,144,824.91 and 542,801.99
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Solution
The fourth proportional to 829,447.98, 1,144,824.91 and 542,801.99 is: 749,188.92
Step by Step Solution
- Step 1: Write the proportion equation
829,447.98 : 1,144,824.91 = 542,801.99 : x - Step 2: Convert to fraction form
829,447.98/1,144,824.91 = 542,801.99/x - Step 3: Cross multiply
829,447.98x = 1,144,824.91 × 542,801.99 - Step 4: Simplify right side
829,447.98x = 621,413,234,879.91 - Step 5: Solve for x
x = 621,413,234,879.91/829,447.98 - Step 6: Final answer
x = 749,188.92
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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.