Finding the Fourth Proportional to 722,110.68, 1,083,311.82 and 497,578.68
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Solution
The fourth proportional to 722,110.68, 1,083,311.82 and 497,578.68 is: 746,468.49
Step by Step Solution
- Step 1: Write the proportion equation
722,110.68 : 1,083,311.82 = 497,578.68 : x - Step 2: Convert to fraction form
722,110.68/1,083,311.82 = 497,578.68/x - Step 3: Cross multiply
722,110.68x = 1,083,311.82 × 497,578.68 - Step 4: Simplify right side
722,110.68x = 539,032,865,424.00 - Step 5: Solve for x
x = 539,032,865,424.00/722,110.68 - Step 6: Final answer
x = 746,468.49
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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.