Finding the Fourth Proportional to 829,633.94, 1,144,916.18 and 467,070.68
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Solution
The fourth proportional to 829,633.94, 1,144,916.18 and 467,070.68 is: 644,569.55
Step by Step Solution
- Step 1: Write the proportion equation
829,633.94 : 1,144,916.18 = 467,070.68 : x - Step 2: Convert to fraction form
829,633.94/1,144,916.18 = 467,070.68/x - Step 3: Cross multiply
829,633.94x = 1,144,916.18 × 467,070.68 - Step 4: Simplify right side
829,633.94x = 534,756,770,675.67 - Step 5: Solve for x
x = 534,756,770,675.67/829,633.94 - Step 6: Final answer
x = 644,569.55
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1.5x scale
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.