Finding the Fourth Proportional to 833,782.88, 1,252,347.98 and 497,479.79
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Solution
The fourth proportional to 833,782.88, 1,252,347.98 and 497,479.79 is: 747,218.27
Step by Step Solution
- Step 1: Write the proportion equation
833,782.88 : 1,252,347.98 = 497,479.79 : x - Step 2: Convert to fraction form
833,782.88/1,252,347.98 = 497,479.79/x - Step 3: Cross multiply
833,782.88x = 1,252,347.98 × 497,479.79 - Step 4: Simplify right side
833,782.88x = 623,017,801,348.19 - Step 5: Solve for x
x = 623,017,801,348.19/833,782.88 - Step 6: Final answer
x = 747,218.27
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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.