Finding the Fourth Proportional to 976,865.15, 1,466,243.60 and 471,781.14
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Solution
The fourth proportional to 976,865.15, 1,466,243.60 and 471,781.14 is: 708,128.53
Step by Step Solution
- Step 1: Write the proportion equation
976,865.15 : 1,466,243.60 = 471,781.14 : x - Step 2: Convert to fraction form
976,865.15/1,466,243.60 = 471,781.14/x - Step 3: Cross multiply
976,865.15x = 1,466,243.60 × 471,781.14 - Step 4: Simplify right side
976,865.15x = 691,746,074,766.80 - Step 5: Solve for x
x = 691,746,074,766.80/976,865.15 - Step 6: Final answer
x = 708,128.53
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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.