Finding the Fourth Proportional to 681,064.24, 939,868.64 and 394,750.40
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Solution
The fourth proportional to 681,064.24, 939,868.64 and 394,750.40 is: 544,755.55
Step by Step Solution
- Step 1: Write the proportion equation
681,064.24 : 939,868.64 = 394,750.40 : x - Step 2: Convert to fraction form
681,064.24/939,868.64 = 394,750.40/x - Step 3: Cross multiply
681,064.24x = 939,868.64 × 394,750.40 - Step 4: Simplify right side
681,064.24x = 371,013,521,587.46 - Step 5: Solve for x
x = 371,013,521,587.46/681,064.24 - Step 6: Final answer
x = 544,755.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.